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Finding the Fourth Proportional to 343,483.38, 473,459.31 and 270,767.70

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Solution

The fourth proportional to 343,483.38, 473,459.31 and 270,767.70 is: 373,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,483.38 : 473,459.31 = 270,767.70 : x
  2. Step 2: Convert to fraction form
    343,483.38/473,459.31 = 270,767.70/x
  3. Step 3: Cross multiply
    343,483.38x = 473,459.31 × 270,767.70
  4. Step 4: Simplify right side
    343,483.38x = 128,197,488,412.29
  5. Step 5: Solve for x
    x = 128,197,488,412.29/343,483.38
  6. Step 6: Final answer
    x = 373,227.63

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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.