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Finding the Fourth Proportional to 547,176.16, 755,115.82 and 343,235.68

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Solution

The fourth proportional to 547,176.16, 755,115.82 and 343,235.68 is: 473,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,176.16 : 755,115.82 = 343,235.68 : x
  2. Step 2: Convert to fraction form
    547,176.16/755,115.82 = 343,235.68/x
  3. Step 3: Cross multiply
    547,176.16x = 755,115.82 × 343,235.68
  4. Step 4: Simplify right side
    547,176.16x = 259,182,689,210.58
  5. Step 5: Solve for x
    x = 259,182,689,210.58/547,176.16
  6. Step 6: Final answer
    x = 473,673.21

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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.