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Finding the Fourth Proportional to 556,196.64, 766,808.88 and 441,854.64

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Solution

The fourth proportional to 556,196.64, 766,808.88 and 441,854.64 is: 609,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,196.64 : 766,808.88 = 441,854.64 : x
  2. Step 2: Convert to fraction form
    556,196.64/766,808.88 = 441,854.64/x
  3. Step 3: Cross multiply
    556,196.64x = 766,808.88 × 441,854.64
  4. Step 4: Simplify right side
    556,196.64x = 338,818,061,621.20
  5. Step 5: Solve for x
    x = 338,818,061,621.20/556,196.64
  6. Step 6: Final answer
    x = 609,169.56

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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.