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Finding the Fourth Proportional to 424,187.52, 585,391.52 and 242,957.92

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Solution

The fourth proportional to 424,187.52, 585,391.52 and 242,957.92 is: 335,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,187.52 : 585,391.52 = 242,957.92 : x
  2. Step 2: Convert to fraction form
    424,187.52/585,391.52 = 242,957.92/x
  3. Step 3: Cross multiply
    424,187.52x = 585,391.52 × 242,957.92
  4. Step 4: Simplify right side
    424,187.52x = 142,225,506,084.84
  5. Step 5: Solve for x
    x = 142,225,506,084.84/424,187.52
  6. Step 6: Final answer
    x = 335,289.23

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1.5x scale

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.