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Finding the Fourth Proportional to 604,988.52, 907,482.78 and 161,745

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Solution

The fourth proportional to 604,988.52, 907,482.78 and 161,745 is: 242,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,988.52 : 907,482.78 = 161,745 : x
  2. Step 2: Convert to fraction form
    604,988.52/907,482.78 = 161,745/x
  3. Step 3: Cross multiply
    604,988.52x = 907,482.78 × 161,745
  4. Step 4: Simplify right side
    604,988.52x = 146,780,802,251.10
  5. Step 5: Solve for x
    x = 146,780,802,251.10/604,988.52
  6. Step 6: Final answer
    x = 242,617.50

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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.