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Finding the Fourth Proportional to 922,169.16, 1,272,599.04 and 514,296.96

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Solution

The fourth proportional to 922,169.16, 1,272,599.04 and 514,296.96 is: 709,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,169.16 : 1,272,599.04 = 514,296.96 : x
  2. Step 2: Convert to fraction form
    922,169.16/1,272,599.04 = 514,296.96/x
  3. Step 3: Cross multiply
    922,169.16x = 1,272,599.04 × 514,296.96
  4. Step 4: Simplify right side
    922,169.16x = 654,493,817,570.92
  5. Step 5: Solve for x
    x = 654,493,817,570.92/922,169.16
  6. Step 6: Final answer
    x = 709,732.93

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1.5x scale

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.