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Finding the Fourth Proportional to 317,666.16, 476,570.52 and 107,298.72

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Solution

The fourth proportional to 317,666.16, 476,570.52 and 107,298.72 is: 160,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,666.16 : 476,570.52 = 107,298.72 : x
  2. Step 2: Convert to fraction form
    317,666.16/476,570.52 = 107,298.72/x
  3. Step 3: Cross multiply
    317,666.16x = 476,570.52 × 107,298.72
  4. Step 4: Simplify right side
    317,666.16x = 51,135,406,785.73
  5. Step 5: Solve for x
    x = 51,135,406,785.73/317,666.16
  6. Step 6: Final answer
    x = 160,972.16

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1.5x scale

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.