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Finding the Fourth Proportional to 560,444.47, 773,430.42 and 318,761.83

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Solution

The fourth proportional to 560,444.47, 773,430.42 and 318,761.83 is: 439,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,444.47 : 773,430.42 = 318,761.83 : x
  2. Step 2: Convert to fraction form
    560,444.47/773,430.42 = 318,761.83/x
  3. Step 3: Cross multiply
    560,444.47x = 773,430.42 × 318,761.83
  4. Step 4: Simplify right side
    560,444.47x = 246,540,098,219.01
  5. Step 5: Solve for x
    x = 246,540,098,219.01/560,444.47
  6. Step 6: Final answer
    x = 439,901.03

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1.5x scale

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.