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Finding the Fourth Proportional to 560,567.42, 773,601.13 and 318,843.78

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Solution

The fourth proportional to 560,567.42, 773,601.13 and 318,843.78 is: 440,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,567.42 : 773,601.13 = 318,843.78 : x
  2. Step 2: Convert to fraction form
    560,567.42/773,601.13 = 318,843.78/x
  3. Step 3: Cross multiply
    560,567.42x = 773,601.13 × 318,843.78
  4. Step 4: Simplify right side
    560,567.42x = 246,657,905,999.02
  5. Step 5: Solve for x
    x = 246,657,905,999.02/560,567.42
  6. Step 6: Final answer
    x = 440,014.70

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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.