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Finding the Fourth Proportional to 508,208.59, 761,697.55 and 283,330.18

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Solution

The fourth proportional to 508,208.59, 761,697.55 and 283,330.18 is: 424,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,208.59 : 761,697.55 = 283,330.18 : x
  2. Step 2: Convert to fraction form
    508,208.59/761,697.55 = 283,330.18/x
  3. Step 3: Cross multiply
    508,208.59x = 761,697.55 × 283,330.18
  4. Step 4: Simplify right side
    508,208.59x = 215,811,903,947.06
  5. Step 5: Solve for x
    x = 215,811,903,947.06/508,208.59
  6. Step 6: Final answer
    x = 424,652.22

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Double scale
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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.