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Finding the Fourth Proportional to 343,063.68, 473,070.96 and 271,330.08

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Solution

The fourth proportional to 343,063.68, 473,070.96 and 271,330.08 is: 374,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,063.68 : 473,070.96 = 271,330.08 : x
  2. Step 2: Convert to fraction form
    343,063.68/473,070.96 = 271,330.08/x
  3. Step 3: Cross multiply
    343,063.68x = 473,070.96 × 271,330.08
  4. Step 4: Simplify right side
    343,063.68x = 128,358,381,422.48
  5. Step 5: Solve for x
    x = 128,358,381,422.48/343,063.68
  6. Step 6: Final answer
    x = 374,153.22

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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.