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Finding the Fourth Proportional to 552,695.80, 829,043.70 and 493,598.20

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Solution

The fourth proportional to 552,695.80, 829,043.70 and 493,598.20 is: 740,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,695.80 : 829,043.70 = 493,598.20 : x
  2. Step 2: Convert to fraction form
    552,695.80/829,043.70 = 493,598.20/x
  3. Step 3: Cross multiply
    552,695.80x = 829,043.70 × 493,598.20
  4. Step 4: Simplify right side
    552,695.80x = 409,214,478,041.34
  5. Step 5: Solve for x
    x = 409,214,478,041.34/552,695.80
  6. Step 6: Final answer
    x = 740,397.30

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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.