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Finding the Fourth Proportional to 675,068.80, 1,011,436.80 and 570,092.80

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Solution

The fourth proportional to 675,068.80, 1,011,436.80 and 570,092.80 is: 854,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,068.80 : 1,011,436.80 = 570,092.80 : x
  2. Step 2: Convert to fraction form
    675,068.80/1,011,436.80 = 570,092.80/x
  3. Step 3: Cross multiply
    675,068.80x = 1,011,436.80 × 570,092.80
  4. Step 4: Simplify right side
    675,068.80x = 576,612,837,335.04
  5. Step 5: Solve for x
    x = 576,612,837,335.04/675,068.80
  6. Step 6: Final answer
    x = 854,154.18

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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.