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Finding the Fourth Proportional to 388,064.71, 582,167.57 and 160,360.87

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Solution

The fourth proportional to 388,064.71, 582,167.57 and 160,360.87 is: 240,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,064.71 : 582,167.57 = 160,360.87 : x
  2. Step 2: Convert to fraction form
    388,064.71/582,167.57 = 160,360.87/x
  3. Step 3: Cross multiply
    388,064.71x = 582,167.57 × 160,360.87
  4. Step 4: Simplify right side
    388,064.71x = 93,356,898,010.99
  5. Step 5: Solve for x
    x = 93,356,898,010.99/388,064.71
  6. Step 6: Final answer
    x = 240,570.44

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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.