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Finding the Fourth Proportional to 437,239.13, 603,652.43 and 286,598.57

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Solution

The fourth proportional to 437,239.13, 603,652.43 and 286,598.57 is: 395,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,239.13 : 603,652.43 = 286,598.57 : x
  2. Step 2: Convert to fraction form
    437,239.13/603,652.43 = 286,598.57/x
  3. Step 3: Cross multiply
    437,239.13x = 603,652.43 × 286,598.57
  4. Step 4: Simplify right side
    437,239.13x = 173,005,920,913.26
  5. Step 5: Solve for x
    x = 173,005,920,913.26/437,239.13
  6. Step 6: Final answer
    x = 395,678.04

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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.