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Finding the Fourth Proportional to 604,927.80, 907,391.70 and 575,403.30

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Solution

The fourth proportional to 604,927.80, 907,391.70 and 575,403.30 is: 863,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,927.80 : 907,391.70 = 575,403.30 : x
  2. Step 2: Convert to fraction form
    604,927.80/907,391.70 = 575,403.30/x
  3. Step 3: Cross multiply
    604,927.80x = 907,391.70 × 575,403.30
  4. Step 4: Simplify right side
    604,927.80x = 522,116,178,572.61
  5. Step 5: Solve for x
    x = 522,116,178,572.61/604,927.80
  6. Step 6: Final answer
    x = 863,104.95

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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.