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Finding the Fourth Proportional to 291,506.04, 402,279.16 and 169,022.16

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Solution

The fourth proportional to 291,506.04, 402,279.16 and 169,022.16 is: 233,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,506.04 : 402,279.16 = 169,022.16 : x
  2. Step 2: Convert to fraction form
    291,506.04/402,279.16 = 169,022.16/x
  3. Step 3: Cross multiply
    291,506.04x = 402,279.16 × 169,022.16
  4. Step 4: Simplify right side
    291,506.04x = 67,994,092,546.19
  5. Step 5: Solve for x
    x = 67,994,092,546.19/291,506.04
  6. Step 6: Final answer
    x = 233,251.06

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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.