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Finding the Fourth Proportional to 588,741.70, 883,112.55 and 145,509.70

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Solution

The fourth proportional to 588,741.70, 883,112.55 and 145,509.70 is: 218,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,741.70 : 883,112.55 = 145,509.70 : x
  2. Step 2: Convert to fraction form
    588,741.70/883,112.55 = 145,509.70/x
  3. Step 3: Cross multiply
    588,741.70x = 883,112.55 × 145,509.70
  4. Step 4: Simplify right side
    588,741.70x = 128,501,442,216.74
  5. Step 5: Solve for x
    x = 128,501,442,216.74/588,741.70
  6. Step 6: Final answer
    x = 218,264.55

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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.