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Finding the Fourth Proportional to 577,987.60, 866,981.40 and 566,177.80

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Solution

The fourth proportional to 577,987.60, 866,981.40 and 566,177.80 is: 849,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,987.60 : 866,981.40 = 566,177.80 : x
  2. Step 2: Convert to fraction form
    577,987.60/866,981.40 = 566,177.80/x
  3. Step 3: Cross multiply
    577,987.60x = 866,981.40 × 566,177.80
  4. Step 4: Simplify right side
    577,987.60x = 490,865,621,692.92
  5. Step 5: Solve for x
    x = 490,865,621,692.92/577,987.60
  6. Step 6: Final answer
    x = 849,266.70

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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.