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Finding the Fourth Proportional to 723,062.66, 997,308.30 and 477,763.26

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Solution

The fourth proportional to 723,062.66, 997,308.30 and 477,763.26 is: 658,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,062.66 : 997,308.30 = 477,763.26 : x
  2. Step 2: Convert to fraction form
    723,062.66/997,308.30 = 477,763.26/x
  3. Step 3: Cross multiply
    723,062.66x = 997,308.30 × 477,763.26
  4. Step 4: Simplify right side
    723,062.66x = 476,477,264,633.06
  5. Step 5: Solve for x
    x = 476,477,264,633.06/723,062.66
  6. Step 6: Final answer
    x = 658,970.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.