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Finding the Fourth Proportional to 343,133.31, 473,410.55 and 207,115.58

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Solution

The fourth proportional to 343,133.31, 473,410.55 and 207,115.58 is: 285,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,133.31 : 473,410.55 = 207,115.58 : x
  2. Step 2: Convert to fraction form
    343,133.31/473,410.55 = 207,115.58/x
  3. Step 3: Cross multiply
    343,133.31x = 473,410.55 × 207,115.58
  4. Step 4: Simplify right side
    343,133.31x = 98,050,701,760.17
  5. Step 5: Solve for x
    x = 98,050,701,760.17/343,133.31
  6. Step 6: Final answer
    x = 285,751.04

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1.5x scale

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.