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Finding the Fourth Proportional to 437,264.16, 603,575.55 and 256,034.35

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Solution

The fourth proportional to 437,264.16, 603,575.55 and 256,034.35 is: 353,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,264.16 : 603,575.55 = 256,034.35 : x
  2. Step 2: Convert to fraction form
    437,264.16/603,575.55 = 256,034.35/x
  3. Step 3: Cross multiply
    437,264.16x = 603,575.55 × 256,034.35
  4. Step 4: Simplify right side
    437,264.16x = 154,536,074,374.61
  5. Step 5: Solve for x
    x = 154,536,074,374.61/437,264.16
  6. Step 6: Final answer
    x = 353,415.83

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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.