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Finding the Fourth Proportional to 475,875.18, 656,726.13 and 261,024.30

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Solution

The fourth proportional to 475,875.18, 656,726.13 and 261,024.30 is: 360,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,875.18 : 656,726.13 = 261,024.30 : x
  2. Step 2: Convert to fraction form
    475,875.18/656,726.13 = 261,024.30/x
  3. Step 3: Cross multiply
    475,875.18x = 656,726.13 × 261,024.30
  4. Step 4: Simplify right side
    475,875.18x = 171,421,478,374.96
  5. Step 5: Solve for x
    x = 171,421,478,374.96/475,875.18
  6. Step 6: Final answer
    x = 360,223.62

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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.