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Finding the Fourth Proportional to 291,812.83, 402,633.13 and 177,088.87

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Solution

The fourth proportional to 291,812.83, 402,633.13 and 177,088.87 is: 244,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,812.83 : 402,633.13 = 177,088.87 : x
  2. Step 2: Convert to fraction form
    291,812.83/402,633.13 = 177,088.87/x
  3. Step 3: Cross multiply
    291,812.83x = 402,633.13 × 177,088.87
  4. Step 4: Simplify right side
    291,812.83x = 71,301,847,465.57
  5. Step 5: Solve for x
    x = 71,301,847,465.57/291,812.83
  6. Step 6: Final answer
    x = 244,341.03

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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.