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Finding the Fourth Proportional to 518,547.16, 715,569.42 and 292,207.24

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Solution

The fourth proportional to 518,547.16, 715,569.42 and 292,207.24 is: 403,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,547.16 : 715,569.42 = 292,207.24 : x
  2. Step 2: Convert to fraction form
    518,547.16/715,569.42 = 292,207.24/x
  3. Step 3: Cross multiply
    518,547.16x = 715,569.42 × 292,207.24
  4. Step 4: Simplify right side
    518,547.16x = 209,094,565,246.60
  5. Step 5: Solve for x
    x = 209,094,565,246.60/518,547.16
  6. Step 6: Final answer
    x = 403,231.53

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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.