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Finding the Fourth Proportional to 547,141.32, 755,035.32 and 343,302.12

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Solution

The fourth proportional to 547,141.32, 755,035.32 and 343,302.12 is: 473,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141.32 : 755,035.32 = 343,302.12 : x
  2. Step 2: Convert to fraction form
    547,141.32/755,035.32 = 343,302.12/x
  3. Step 3: Cross multiply
    547,141.32x = 755,035.32 × 343,302.12
  4. Step 4: Simplify right side
    547,141.32x = 259,205,226,030.88
  5. Step 5: Solve for x
    x = 259,205,226,030.88/547,141.32
  6. Step 6: Final answer
    x = 473,744.56

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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.