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Finding the Fourth Proportional to 322,957.50, 484,514.55 and 101,341.50

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Solution

The fourth proportional to 322,957.50, 484,514.55 and 101,341.50 is: 152,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,957.50 : 484,514.55 = 101,341.50 : x
  2. Step 2: Convert to fraction form
    322,957.50/484,514.55 = 101,341.50/x
  3. Step 3: Cross multiply
    322,957.50x = 484,514.55 × 101,341.50
  4. Step 4: Simplify right side
    322,957.50x = 49,101,431,268.83
  5. Step 5: Solve for x
    x = 49,101,431,268.83/322,957.50
  6. Step 6: Final answer
    x = 152,036.82

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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.