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Finding the Fourth Proportional to 788,586.60, 1,182,879.90 and 564,637.80

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Solution

The fourth proportional to 788,586.60, 1,182,879.90 and 564,637.80 is: 846,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,586.60 : 1,182,879.90 = 564,637.80 : x
  2. Step 2: Convert to fraction form
    788,586.60/1,182,879.90 = 564,637.80/x
  3. Step 3: Cross multiply
    788,586.60x = 1,182,879.90 × 564,637.80
  4. Step 4: Simplify right side
    788,586.60x = 667,898,704,400.22
  5. Step 5: Solve for x
    x = 667,898,704,400.22/788,586.60
  6. Step 6: Final answer
    x = 846,956.70

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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.