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Finding the Fourth Proportional to 452,209.14, 623,920.86 and 291,157.38

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Solution

The fourth proportional to 452,209.14, 623,920.86 and 291,157.38 is: 401,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,209.14 : 623,920.86 = 291,157.38 : x
  2. Step 2: Convert to fraction form
    452,209.14/623,920.86 = 291,157.38/x
  3. Step 3: Cross multiply
    452,209.14x = 623,920.86 × 291,157.38
  4. Step 4: Simplify right side
    452,209.14x = 181,659,162,924.95
  5. Step 5: Solve for x
    x = 181,659,162,924.95/452,209.14
  6. Step 6: Final answer
    x = 401,714.93

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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.