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Finding the Fourth Proportional to 605,655.30, 907,498.80 and 570,225.90

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Solution

The fourth proportional to 605,655.30, 907,498.80 and 570,225.90 is: 854,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,655.30 : 907,498.80 = 570,225.90 : x
  2. Step 2: Convert to fraction form
    605,655.30/907,498.80 = 570,225.90/x
  3. Step 3: Cross multiply
    605,655.30x = 907,498.80 × 570,225.90
  4. Step 4: Simplify right side
    605,655.30x = 517,479,319,978.92
  5. Step 5: Solve for x
    x = 517,479,319,978.92/605,655.30
  6. Step 6: Final answer
    x = 854,412.27

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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.