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Finding the Fourth Proportional to 583,463.70, 875,195.55 and 228,359.70

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Solution

The fourth proportional to 583,463.70, 875,195.55 and 228,359.70 is: 342,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,463.70 : 875,195.55 = 228,359.70 : x
  2. Step 2: Convert to fraction form
    583,463.70/875,195.55 = 228,359.70/x
  3. Step 3: Cross multiply
    583,463.70x = 875,195.55 × 228,359.70
  4. Step 4: Simplify right side
    583,463.70x = 199,859,393,239.34
  5. Step 5: Solve for x
    x = 199,859,393,239.34/583,463.70
  6. Step 6: Final answer
    x = 342,539.55

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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.