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Finding the Fourth Proportional to 556,209.16, 834,315.10 and 156,852.04

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Solution

The fourth proportional to 556,209.16, 834,315.10 and 156,852.04 is: 235,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,209.16 : 834,315.10 = 156,852.04 : x
  2. Step 2: Convert to fraction form
    556,209.16/834,315.10 = 156,852.04/x
  3. Step 3: Cross multiply
    556,209.16x = 834,315.10 × 156,852.04
  4. Step 4: Simplify right side
    556,209.16x = 130,864,025,437.80
  5. Step 5: Solve for x
    x = 130,864,025,437.80/556,209.16
  6. Step 6: Final answer
    x = 235,278.44

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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.