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Finding the Fourth Proportional to 295,498,698.88, 407,828,711.28 and 170,048,318.08

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Solution

The fourth proportional to 295,498,698.88, 407,828,711.28 and 170,048,318.08 is: 234,689,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,498,698.88 : 407,828,711.28 = 170,048,318.08 : x
  2. Step 2: Convert to fraction form
    295,498,698.88/407,828,711.28 = 170,048,318.08/x
  3. Step 3: Cross multiply
    295,498,698.88x = 407,828,711.28 × 170,048,318.08
  4. Step 4: Simplify right side
    295,498,698.88x = 69,350,586,417,897,928
  5. Step 5: Solve for x
    x = 69,350,586,417,897,928/295,498,698.88
  6. Step 6: Final answer
    x = 234,689,989.10

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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.