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Finding the Fourth Proportional to 388,952.30, 583,428.39 and 93,464.30

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Solution

The fourth proportional to 388,952.30, 583,428.39 and 93,464.30 is: 140,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,952.30 : 583,428.39 = 93,464.30 : x
  2. Step 2: Convert to fraction form
    388,952.30/583,428.39 = 93,464.30/x
  3. Step 3: Cross multiply
    388,952.30x = 583,428.39 × 93,464.30
  4. Step 4: Simplify right side
    388,952.30x = 54,529,726,071.48
  5. Step 5: Solve for x
    x = 54,529,726,071.48/388,952.30
  6. Step 6: Final answer
    x = 140,196.44

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Similar ratio
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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.