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Finding the Fourth Proportional to 922,601.70, 1,384,291.35 and 502,179.30

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Solution

The fourth proportional to 922,601.70, 1,384,291.35 and 502,179.30 is: 753,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,601.70 : 1,384,291.35 = 502,179.30 : x
  2. Step 2: Convert to fraction form
    922,601.70/1,384,291.35 = 502,179.30/x
  3. Step 3: Cross multiply
    922,601.70x = 1,384,291.35 × 502,179.30
  4. Step 4: Simplify right side
    922,601.70x = 695,162,461,139.06
  5. Step 5: Solve for x
    x = 695,162,461,139.06/922,601.70
  6. Step 6: Final answer
    x = 753,480.58

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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.