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Finding the Fourth Proportional to 343,011.68, 473,373 and 207,043.46

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Solution

The fourth proportional to 343,011.68, 473,373 and 207,043.46 is: 285,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,011.68 : 473,373 = 207,043.46 : x
  2. Step 2: Convert to fraction form
    343,011.68/473,373 = 207,043.46/x
  3. Step 3: Cross multiply
    343,011.68x = 473,373 × 207,043.46
  4. Step 4: Simplify right side
    343,011.68x = 98,008,783,790.58
  5. Step 5: Solve for x
    x = 98,008,783,790.58/343,011.68
  6. Step 6: Final answer
    x = 285,730.16

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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.