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Finding the Fourth Proportional to 515,188.08, 772,877.16 and 160,179.12

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Solution

The fourth proportional to 515,188.08, 772,877.16 and 160,179.12 is: 240,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,188.08 : 772,877.16 = 160,179.12 : x
  2. Step 2: Convert to fraction form
    515,188.08/772,877.16 = 160,179.12/x
  3. Step 3: Cross multiply
    515,188.08x = 772,877.16 × 160,179.12
  4. Step 4: Simplify right side
    515,188.08x = 123,798,783,356.90
  5. Step 5: Solve for x
    x = 123,798,783,356.90/515,188.08
  6. Step 6: Final answer
    x = 240,298.23

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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.