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Finding the Fourth Proportional to 552,669.60, 829,004.40 and 545,671.20

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Solution

The fourth proportional to 552,669.60, 829,004.40 and 545,671.20 is: 818,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,669.60 : 829,004.40 = 545,671.20 : x
  2. Step 2: Convert to fraction form
    552,669.60/829,004.40 = 545,671.20/x
  3. Step 3: Cross multiply
    552,669.60x = 829,004.40 × 545,671.20
  4. Step 4: Simplify right side
    552,669.60x = 452,363,825,753.28
  5. Step 5: Solve for x
    x = 452,363,825,753.28/552,669.60
  6. Step 6: Final answer
    x = 818,506.80

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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.