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Finding the Fourth Proportional to 630,139.60, 945,209.40 and 592,814.80

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Solution

The fourth proportional to 630,139.60, 945,209.40 and 592,814.80 is: 889,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,139.60 : 945,209.40 = 592,814.80 : x
  2. Step 2: Convert to fraction form
    630,139.60/945,209.40 = 592,814.80/x
  3. Step 3: Cross multiply
    630,139.60x = 945,209.40 × 592,814.80
  4. Step 4: Simplify right side
    630,139.60x = 560,334,121,419.12
  5. Step 5: Solve for x
    x = 560,334,121,419.12/630,139.60
  6. Step 6: Final answer
    x = 889,222.20

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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.