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Finding the Fourth Proportional to 508,407.93, 762,617.16 and 153,424.89

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Solution

The fourth proportional to 508,407.93, 762,617.16 and 153,424.89 is: 230,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,407.93 : 762,617.16 = 153,424.89 : x
  2. Step 2: Convert to fraction form
    508,407.93/762,617.16 = 153,424.89/x
  3. Step 3: Cross multiply
    508,407.93x = 762,617.16 × 153,424.89
  4. Step 4: Simplify right side
    508,407.93x = 117,004,453,885.11
  5. Step 5: Solve for x
    x = 117,004,453,885.11/508,407.93
  6. Step 6: Final answer
    x = 230,138.92

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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.