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Finding the Fourth Proportional to 317,068.39, 437,530.09 and 181,083.56

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Solution

The fourth proportional to 317,068.39, 437,530.09 and 181,083.56 is: 249,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,068.39 : 437,530.09 = 181,083.56 : x
  2. Step 2: Convert to fraction form
    317,068.39/437,530.09 = 181,083.56/x
  3. Step 3: Cross multiply
    317,068.39x = 437,530.09 × 181,083.56
  4. Step 4: Simplify right side
    317,068.39x = 79,229,506,304.32
  5. Step 5: Solve for x
    x = 79,229,506,304.32/317,068.39
  6. Step 6: Final answer
    x = 249,881.44

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1.5x scale

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.