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Finding the Fourth Proportional to 291,209.55, 401,924.90 and 176,550.68

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Solution

The fourth proportional to 291,209.55, 401,924.90 and 176,550.68 is: 243,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,209.55 : 401,924.90 = 176,550.68 : x
  2. Step 2: Convert to fraction form
    291,209.55/401,924.90 = 176,550.68/x
  3. Step 3: Cross multiply
    291,209.55x = 401,924.90 × 176,550.68
  4. Step 4: Simplify right side
    291,209.55x = 70,960,114,403.93
  5. Step 5: Solve for x
    x = 70,960,114,403.93/291,209.55
  6. Step 6: Final answer
    x = 243,673.72

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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.