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Finding the Fourth Proportional to 578,424.60, 867,636.90 and 566,614.80

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Solution

The fourth proportional to 578,424.60, 867,636.90 and 566,614.80 is: 849,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,424.60 : 867,636.90 = 566,614.80 : x
  2. Step 2: Convert to fraction form
    578,424.60/867,636.90 = 566,614.80/x
  3. Step 3: Cross multiply
    578,424.60x = 867,636.90 × 566,614.80
  4. Step 4: Simplify right side
    578,424.60x = 491,615,908,566.12
  5. Step 5: Solve for x
    x = 491,615,908,566.12/578,424.60
  6. Step 6: Final answer
    x = 849,922.20

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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.