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Finding the Fourth Proportional to 651,063.60, 898,446.84 and 360,663.20

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Solution

The fourth proportional to 651,063.60, 898,446.84 and 360,663.20 is: 497,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,063.60 : 898,446.84 = 360,663.20 : x
  2. Step 2: Convert to fraction form
    651,063.60/898,446.84 = 360,663.20/x
  3. Step 3: Cross multiply
    651,063.60x = 898,446.84 × 360,663.20
  4. Step 4: Simplify right side
    651,063.60x = 324,036,712,344.29
  5. Step 5: Solve for x
    x = 324,036,712,344.29/651,063.60
  6. Step 6: Final answer
    x = 497,703.62

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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.