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Finding the Fourth Proportional to 560,301.96, 773,253.28 and 318,607.04

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Solution

The fourth proportional to 560,301.96, 773,253.28 and 318,607.04 is: 439,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,301.96 : 773,253.28 = 318,607.04 : x
  2. Step 2: Convert to fraction form
    560,301.96/773,253.28 = 318,607.04/x
  3. Step 3: Cross multiply
    560,301.96x = 773,253.28 × 318,607.04
  4. Step 4: Simplify right side
    560,301.96x = 246,363,938,711.09
  5. Step 5: Solve for x
    x = 246,363,938,711.09/560,301.96
  6. Step 6: Final answer
    x = 439,698.51

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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.