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Finding the Fourth Proportional to 416,139.68, 574,287.36 and 234,895.52

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Solution

The fourth proportional to 416,139.68, 574,287.36 and 234,895.52 is: 324,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,139.68 : 574,287.36 = 234,895.52 : x
  2. Step 2: Convert to fraction form
    416,139.68/574,287.36 = 234,895.52/x
  3. Step 3: Cross multiply
    416,139.68x = 574,287.36 × 234,895.52
  4. Step 4: Simplify right side
    416,139.68x = 134,897,528,056.63
  5. Step 5: Solve for x
    x = 134,897,528,056.63/416,139.68
  6. Step 6: Final answer
    x = 324,164.06

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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.