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Finding the Fourth Proportional to 341,395.68, 512,154.16 and 116,780.96

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Solution

The fourth proportional to 341,395.68, 512,154.16 and 116,780.96 is: 175,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,395.68 : 512,154.16 = 116,780.96 : x
  2. Step 2: Convert to fraction form
    341,395.68/512,154.16 = 116,780.96/x
  3. Step 3: Cross multiply
    341,395.68x = 512,154.16 × 116,780.96
  4. Step 4: Simplify right side
    341,395.68x = 59,809,854,472.79
  5. Step 5: Solve for x
    x = 59,809,854,472.79/341,395.68
  6. Step 6: Final answer
    x = 175,192.18

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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.