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Finding the Fourth Proportional to 291,345.01, 402,067.32 and 168,841.59

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Solution

The fourth proportional to 291,345.01, 402,067.32 and 168,841.59 is: 233,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345.01 : 402,067.32 = 168,841.59 : x
  2. Step 2: Convert to fraction form
    291,345.01/402,067.32 = 168,841.59/x
  3. Step 3: Cross multiply
    291,345.01x = 402,067.32 × 168,841.59
  4. Step 4: Simplify right side
    291,345.01x = 67,885,685,595.84
  5. Step 5: Solve for x
    x = 67,885,685,595.84/291,345.01
  6. Step 6: Final answer
    x = 233,007.89

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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.