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Finding the Fourth Proportional to 658,832, 988,160.64 and 185,554.56

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Solution

The fourth proportional to 658,832, 988,160.64 and 185,554.56 is: 278,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,832 : 988,160.64 = 185,554.56 : x
  2. Step 2: Convert to fraction form
    658,832/988,160.64 = 185,554.56/x
  3. Step 3: Cross multiply
    658,832x = 988,160.64 × 185,554.56
  4. Step 4: Simplify right side
    658,832x = 183,357,712,764.52
  5. Step 5: Solve for x
    x = 183,357,712,764.52/658,832
  6. Step 6: Final answer
    x = 278,307.24

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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.