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Finding the Fourth Proportional to 247,449.40, 371,012.10 and 97,599.40

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Solution

The fourth proportional to 247,449.40, 371,012.10 and 97,599.40 is: 146,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,449.40 : 371,012.10 = 97,599.40 : x
  2. Step 2: Convert to fraction form
    247,449.40/371,012.10 = 97,599.40/x
  3. Step 3: Cross multiply
    247,449.40x = 371,012.10 × 97,599.40
  4. Step 4: Simplify right side
    247,449.40x = 36,210,558,352.74
  5. Step 5: Solve for x
    x = 36,210,558,352.74/247,449.40
  6. Step 6: Final answer
    x = 146,335.20

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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.