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Finding the Fourth Proportional to 508,637.70, 762,956.55 and 153,614.70

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Solution

The fourth proportional to 508,637.70, 762,956.55 and 153,614.70 is: 230,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,637.70 : 762,956.55 = 153,614.70 : x
  2. Step 2: Convert to fraction form
    508,637.70/762,956.55 = 153,614.70/x
  3. Step 3: Cross multiply
    508,637.70x = 762,956.55 × 153,614.70
  4. Step 4: Simplify right side
    508,637.70x = 117,201,341,541.29
  5. Step 5: Solve for x
    x = 117,201,341,541.29/508,637.70
  6. Step 6: Final answer
    x = 230,422.05

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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.