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Finding the Fourth Proportional to 402,068.22, 603,010.21 and 240,008.06

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Solution

The fourth proportional to 402,068.22, 603,010.21 and 240,008.06 is: 359,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,068.22 : 603,010.21 = 240,008.06 : x
  2. Step 2: Convert to fraction form
    402,068.22/603,010.21 = 240,008.06/x
  3. Step 3: Cross multiply
    402,068.22x = 603,010.21 × 240,008.06
  4. Step 4: Simplify right side
    402,068.22x = 144,727,310,662.29
  5. Step 5: Solve for x
    x = 144,727,310,662.29/402,068.22
  6. Step 6: Final answer
    x = 359,957.10

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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.