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Finding the Fourth Proportional to 482,761,406.80, 724,142,110.20 and 176,063,525.20

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Solution

The fourth proportional to 482,761,406.80, 724,142,110.20 and 176,063,525.20 is: 264,095,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,761,406.80 : 724,142,110.20 = 176,063,525.20 : x
  2. Step 2: Convert to fraction form
    482,761,406.80/724,142,110.20 = 176,063,525.20/x
  3. Step 3: Cross multiply
    482,761,406.80x = 724,142,110.20 × 176,063,525.20
  4. Step 4: Simplify right side
    482,761,406.80x = 127,495,012,667,578,880
  5. Step 5: Solve for x
    x = 127,495,012,667,578,880/482,761,406.80
  6. Step 6: Final answer
    x = 264,095,287.80

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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.