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Finding the Fourth Proportional to 343,063.46, 473,272.32 and 207,053.93

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Solution

The fourth proportional to 343,063.46, 473,272.32 and 207,053.93 is: 285,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,063.46 : 473,272.32 = 207,053.93 : x
  2. Step 2: Convert to fraction form
    343,063.46/473,272.32 = 207,053.93/x
  3. Step 3: Cross multiply
    343,063.46x = 473,272.32 × 207,053.93
  4. Step 4: Simplify right side
    343,063.46x = 97,992,893,816.22
  5. Step 5: Solve for x
    x = 97,992,893,816.22/343,063.46
  6. Step 6: Final answer
    x = 285,640.72

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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.