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Finding the Fourth Proportional to 553,187.32, 829,437.33 and 233,174.55

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Solution

The fourth proportional to 553,187.32, 829,437.33 and 233,174.55 is: 349,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,187.32 : 829,437.33 = 233,174.55 : x
  2. Step 2: Convert to fraction form
    553,187.32/829,437.33 = 233,174.55/x
  3. Step 3: Cross multiply
    553,187.32x = 829,437.33 × 233,174.55
  4. Step 4: Simplify right side
    553,187.32x = 193,403,676,175.95
  5. Step 5: Solve for x
    x = 193,403,676,175.95/553,187.32
  6. Step 6: Final answer
    x = 349,616.97

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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.