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Finding the Fourth Proportional to 472,061.02, 651,435.92 and 257,202.62

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Solution

The fourth proportional to 472,061.02, 651,435.92 and 257,202.62 is: 354,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,061.02 : 651,435.92 = 257,202.62 : x
  2. Step 2: Convert to fraction form
    472,061.02/651,435.92 = 257,202.62/x
  3. Step 3: Cross multiply
    472,061.02x = 651,435.92 × 257,202.62
  4. Step 4: Simplify right side
    472,061.02x = 167,551,025,386.11
  5. Step 5: Solve for x
    x = 167,551,025,386.11/472,061.02
  6. Step 6: Final answer
    x = 354,935.10

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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.