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Finding the Fourth Proportional to 508,710.01, 762,484.55 and 204,909.63

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Solution

The fourth proportional to 508,710.01, 762,484.55 and 204,909.63 is: 307,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,710.01 : 762,484.55 = 204,909.63 : x
  2. Step 2: Convert to fraction form
    508,710.01/762,484.55 = 204,909.63/x
  3. Step 3: Cross multiply
    508,710.01x = 762,484.55 × 204,909.63
  4. Step 4: Simplify right side
    508,710.01x = 156,240,424,522.00
  5. Step 5: Solve for x
    x = 156,240,424,522.00/508,710.01
  6. Step 6: Final answer
    x = 307,130.63

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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.