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Finding the Fourth Proportional to 343,063.18, 473,070.27 and 271,329.58

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Solution

The fourth proportional to 343,063.18, 473,070.27 and 271,329.58 is: 374,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,063.18 : 473,070.27 = 271,329.58 : x
  2. Step 2: Convert to fraction form
    343,063.18/473,070.27 = 271,329.58/x
  3. Step 3: Cross multiply
    343,063.18x = 473,070.27 × 271,329.58
  4. Step 4: Simplify right side
    343,063.18x = 128,357,957,669.59
  5. Step 5: Solve for x
    x = 128,357,957,669.59/343,063.18
  6. Step 6: Final answer
    x = 374,152.53

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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.