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Finding the Fourth Proportional to 662,572, 914,349.36 and 360,766

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Solution

The fourth proportional to 662,572, 914,349.36 and 360,766 is: 497,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,572 : 914,349.36 = 360,766 : x
  2. Step 2: Convert to fraction form
    662,572/914,349.36 = 360,766/x
  3. Step 3: Cross multiply
    662,572x = 914,349.36 × 360,766
  4. Step 4: Simplify right side
    662,572x = 329,866,161,209.76
  5. Step 5: Solve for x
    x = 329,866,161,209.76/662,572
  6. Step 6: Final answer
    x = 497,857.08

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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.