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Finding the Fourth Proportional to 605,023.80, 907,535.70 and 575,499.30

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Solution

The fourth proportional to 605,023.80, 907,535.70 and 575,499.30 is: 863,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,023.80 : 907,535.70 = 575,499.30 : x
  2. Step 2: Convert to fraction form
    605,023.80/907,535.70 = 575,499.30/x
  3. Step 3: Cross multiply
    605,023.80x = 907,535.70 × 575,499.30
  4. Step 4: Simplify right side
    605,023.80x = 522,286,160,075.01
  5. Step 5: Solve for x
    x = 522,286,160,075.01/605,023.80
  6. Step 6: Final answer
    x = 863,248.95

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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.