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Finding the Fourth Proportional to 556,988.62, 835,482.38 and 197,422.88

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Solution

The fourth proportional to 556,988.62, 835,482.38 and 197,422.88 is: 296,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,988.62 : 835,482.38 = 197,422.88 : x
  2. Step 2: Convert to fraction form
    556,988.62/835,482.38 = 197,422.88/x
  3. Step 3: Cross multiply
    556,988.62x = 835,482.38 × 197,422.88
  4. Step 4: Simplify right side
    556,988.62x = 164,943,337,648.85
  5. Step 5: Solve for x
    x = 164,943,337,648.85/556,988.62
  6. Step 6: Final answer
    x = 296,134.13

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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.