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Finding the Fourth Proportional to 584,658.70, 876,728.85 and 269,212.30

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Solution

The fourth proportional to 584,658.70, 876,728.85 and 269,212.30 is: 403,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,658.70 : 876,728.85 = 269,212.30 : x
  2. Step 2: Convert to fraction form
    584,658.70/876,728.85 = 269,212.30/x
  3. Step 3: Cross multiply
    584,658.70x = 876,728.85 × 269,212.30
  4. Step 4: Simplify right side
    584,658.70x = 236,026,190,184.86
  5. Step 5: Solve for x
    x = 236,026,190,184.86/584,658.70
  6. Step 6: Final answer
    x = 403,699.10

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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.