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Finding the Fourth Proportional to 349,671.93, 524,507.85 and 231,315.63

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Solution

The fourth proportional to 349,671.93, 524,507.85 and 231,315.63 is: 346,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,671.93 : 524,507.85 = 231,315.63 : x
  2. Step 2: Convert to fraction form
    349,671.93/524,507.85 = 231,315.63/x
  3. Step 3: Cross multiply
    349,671.93x = 524,507.85 × 231,315.63
  4. Step 4: Simplify right side
    349,671.93x = 121,326,863,762.70
  5. Step 5: Solve for x
    x = 121,326,863,762.70/349,671.93
  6. Step 6: Final answer
    x = 346,973.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.