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Finding the Fourth Proportional to 317,377.62, 437,582.60 and 232,347.06

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Solution

The fourth proportional to 317,377.62, 437,582.60 and 232,347.06 is: 320,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,377.62 : 437,582.60 = 232,347.06 : x
  2. Step 2: Convert to fraction form
    317,377.62/437,582.60 = 232,347.06/x
  3. Step 3: Cross multiply
    317,377.62x = 437,582.60 × 232,347.06
  4. Step 4: Simplify right side
    317,377.62x = 101,671,030,617.16
  5. Step 5: Solve for x
    x = 101,671,030,617.16/317,377.62
  6. Step 6: Final answer
    x = 320,347.20

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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.