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Finding the Fourth Proportional to 556,167.20, 834,250.80 and 346,215.20

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Solution

The fourth proportional to 556,167.20, 834,250.80 and 346,215.20 is: 519,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,167.20 : 834,250.80 = 346,215.20 : x
  2. Step 2: Convert to fraction form
    556,167.20/834,250.80 = 346,215.20/x
  3. Step 3: Cross multiply
    556,167.20x = 834,250.80 × 346,215.20
  4. Step 4: Simplify right side
    556,167.20x = 288,830,307,572.16
  5. Step 5: Solve for x
    x = 288,830,307,572.16/556,167.20
  6. Step 6: Final answer
    x = 519,322.80

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Similar ratio
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1.5x scale

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.