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Finding the Fourth Proportional to 502,495.20, 753,742.80 and 497,246.40

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Solution

The fourth proportional to 502,495.20, 753,742.80 and 497,246.40 is: 745,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,495.20 : 753,742.80 = 497,246.40 : x
  2. Step 2: Convert to fraction form
    502,495.20/753,742.80 = 497,246.40/x
  3. Step 3: Cross multiply
    502,495.20x = 753,742.80 × 497,246.40
  4. Step 4: Simplify right side
    502,495.20x = 374,795,893,825.92
  5. Step 5: Solve for x
    x = 374,795,893,825.92/502,495.20
  6. Step 6: Final answer
    x = 745,869.60

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