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Finding the Fourth Proportional to 518,230.02, 777,345.03 and 296,458.50

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Solution

The fourth proportional to 518,230.02, 777,345.03 and 296,458.50 is: 444,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,230.02 : 777,345.03 = 296,458.50 : x
  2. Step 2: Convert to fraction form
    518,230.02/777,345.03 = 296,458.50/x
  3. Step 3: Cross multiply
    518,230.02x = 777,345.03 × 296,458.50
  4. Step 4: Simplify right side
    518,230.02x = 230,450,541,576.26
  5. Step 5: Solve for x
    x = 230,450,541,576.26/518,230.02
  6. Step 6: Final answer
    x = 444,687.75

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.