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Finding the Fourth Proportional to 559,314.48, 838,647.72 and 382,035.72

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Solution

The fourth proportional to 559,314.48, 838,647.72 and 382,035.72 is: 572,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,314.48 : 838,647.72 = 382,035.72 : x
  2. Step 2: Convert to fraction form
    559,314.48/838,647.72 = 382,035.72/x
  3. Step 3: Cross multiply
    559,314.48x = 838,647.72 × 382,035.72
  4. Step 4: Simplify right side
    559,314.48x = 320,393,385,536.56
  5. Step 5: Solve for x
    x = 320,393,385,536.56/559,314.48
  6. Step 6: Final answer
    x = 572,832.27

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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.