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Finding the Fourth Proportional to 304,317.10, 456,475.65 and 266,919.40

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Solution

The fourth proportional to 304,317.10, 456,475.65 and 266,919.40 is: 400,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,317.10 : 456,475.65 = 266,919.40 : x
  2. Step 2: Convert to fraction form
    304,317.10/456,475.65 = 266,919.40/x
  3. Step 3: Cross multiply
    304,317.10x = 456,475.65 × 266,919.40
  4. Step 4: Simplify right side
    304,317.10x = 121,842,206,612.61
  5. Step 5: Solve for x
    x = 121,842,206,612.61/304,317.10
  6. Step 6: Final answer
    x = 400,379.10

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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.