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Finding the Fourth Proportional to 556,033.41, 826,897.01 and 538,318.71

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Solution

The fourth proportional to 556,033.41, 826,897.01 and 538,318.71 is: 800,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,033.41 : 826,897.01 = 538,318.71 : x
  2. Step 2: Convert to fraction form
    556,033.41/826,897.01 = 538,318.71/x
  3. Step 3: Cross multiply
    556,033.41x = 826,897.01 × 538,318.71
  4. Step 4: Simplify right side
    556,033.41x = 445,134,129,034.46
  5. Step 5: Solve for x
    x = 445,134,129,034.46/556,033.41
  6. Step 6: Final answer
    x = 800,552.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.