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Finding the Fourth Proportional to 498,121,292.80, 745,838,246.40 and 498,121,292.80

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Solution

The fourth proportional to 498,121,292.80, 745,838,246.40 and 498,121,292.80 is: 745,838,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,121,292.80 : 745,838,246.40 = 498,121,292.80 : x
  2. Step 2: Convert to fraction form
    498,121,292.80/745,838,246.40 = 498,121,292.80/x
  3. Step 3: Cross multiply
    498,121,292.80x = 745,838,246.40 × 498,121,292.80
  4. Step 4: Simplify right side
    498,121,292.80x = 371,517,911,516,452,928
  5. Step 5: Solve for x
    x = 371,517,911,516,452,928/498,121,292.80
  6. Step 6: Final answer
    x = 745,838,246.40

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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.