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Finding the Fourth Proportional to 577,366.80, 866,050.20 and 549,810.60

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Solution

The fourth proportional to 577,366.80, 866,050.20 and 549,810.60 is: 824,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,366.80 : 866,050.20 = 549,810.60 : x
  2. Step 2: Convert to fraction form
    577,366.80/866,050.20 = 549,810.60/x
  3. Step 3: Cross multiply
    577,366.80x = 866,050.20 × 549,810.60
  4. Step 4: Simplify right side
    577,366.80x = 476,163,580,092.12
  5. Step 5: Solve for x
    x = 476,163,580,092.12/577,366.80
  6. Step 6: Final answer
    x = 824,715.90

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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.