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Finding the Fourth Proportional to 518,562.16, 715,590.08 and 292,222.24

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Solution

The fourth proportional to 518,562.16, 715,590.08 and 292,222.24 is: 403,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,562.16 : 715,590.08 = 292,222.24 : x
  2. Step 2: Convert to fraction form
    518,562.16/715,590.08 = 292,222.24/x
  3. Step 3: Cross multiply
    518,562.16x = 715,590.08 × 292,222.24
  4. Step 4: Simplify right side
    518,562.16x = 209,111,336,099.38
  5. Step 5: Solve for x
    x = 209,111,336,099.38/518,562.16
  6. Step 6: Final answer
    x = 403,252.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.