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Finding the Fourth Proportional to 556,225.80, 834,338.70 and 546,384.30

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Solution

The fourth proportional to 556,225.80, 834,338.70 and 546,384.30 is: 819,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,225.80 : 834,338.70 = 546,384.30 : x
  2. Step 2: Convert to fraction form
    556,225.80/834,338.70 = 546,384.30/x
  3. Step 3: Cross multiply
    556,225.80x = 834,338.70 × 546,384.30
  4. Step 4: Simplify right side
    556,225.80x = 455,869,566,562.41
  5. Step 5: Solve for x
    x = 455,869,566,562.41/556,225.80
  6. Step 6: Final answer
    x = 819,576.45

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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.