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Finding the Fourth Proportional to 508,861.10, 763,347.01 and 188,975.44

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Solution

The fourth proportional to 508,861.10, 763,347.01 and 188,975.44 is: 283,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,861.10 : 763,347.01 = 188,975.44 : x
  2. Step 2: Convert to fraction form
    508,861.10/763,347.01 = 188,975.44/x
  3. Step 3: Cross multiply
    508,861.10x = 763,347.01 × 188,975.44
  4. Step 4: Simplify right side
    508,861.10x = 144,253,838,332.60
  5. Step 5: Solve for x
    x = 144,253,838,332.60/508,861.10
  6. Step 6: Final answer
    x = 283,483.72

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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.