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Finding the Fourth Proportional to 291,816.97, 402,894.84 and 183,070.40

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Solution

The fourth proportional to 291,816.97, 402,894.84 and 183,070.40 is: 252,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,816.97 : 402,894.84 = 183,070.40 : x
  2. Step 2: Convert to fraction form
    291,816.97/402,894.84 = 183,070.40/x
  3. Step 3: Cross multiply
    291,816.97x = 402,894.84 × 183,070.40
  4. Step 4: Simplify right side
    291,816.97x = 73,758,119,516.74
  5. Step 5: Solve for x
    x = 73,758,119,516.74/291,816.97
  6. Step 6: Final answer
    x = 252,754.73

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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.