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Finding the Fourth Proportional to 297,395.12, 410,417.16 and 170,068.88

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Solution

The fourth proportional to 297,395.12, 410,417.16 and 170,068.88 is: 234,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,395.12 : 410,417.16 = 170,068.88 : x
  2. Step 2: Convert to fraction form
    297,395.12/410,417.16 = 170,068.88/x
  3. Step 3: Cross multiply
    297,395.12x = 410,417.16 × 170,068.88
  4. Step 4: Simplify right side
    297,395.12x = 69,799,186,733.98
  5. Step 5: Solve for x
    x = 69,799,186,733.98/297,395.12
  6. Step 6: Final answer
    x = 234,701.86

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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.