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Finding the Fourth Proportional to 388,925.26, 583,387.75 and 93,437.26

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Solution

The fourth proportional to 388,925.26, 583,387.75 and 93,437.26 is: 140,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,925.26 : 583,387.75 = 93,437.26 : x
  2. Step 2: Convert to fraction form
    388,925.26/583,387.75 = 93,437.26/x
  3. Step 3: Cross multiply
    388,925.26x = 583,387.75 × 93,437.26
  4. Step 4: Simplify right side
    388,925.26x = 54,510,152,877.57
  5. Step 5: Solve for x
    x = 54,510,152,877.57/388,925.26
  6. Step 6: Final answer
    x = 140,155.86

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1.5x scale

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.