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Finding the Fourth Proportional to 672,927.18, 928,950.47 and 414,850.24

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Solution

The fourth proportional to 672,927.18, 928,950.47 and 414,850.24 is: 572,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,927.18 : 928,950.47 = 414,850.24 : x
  2. Step 2: Convert to fraction form
    672,927.18/928,950.47 = 414,850.24/x
  3. Step 3: Cross multiply
    672,927.18x = 928,950.47 × 414,850.24
  4. Step 4: Simplify right side
    672,927.18x = 385,375,325,427.61
  5. Step 5: Solve for x
    x = 385,375,325,427.61/672,927.18
  6. Step 6: Final answer
    x = 572,685.03

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Double scale
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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.