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Finding the Fourth Proportional to 291,424.32, 402,186.33 and 162,373.50

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Solution

The fourth proportional to 291,424.32, 402,186.33 and 162,373.50 is: 224,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,424.32 : 402,186.33 = 162,373.50 : x
  2. Step 2: Convert to fraction form
    291,424.32/402,186.33 = 162,373.50/x
  3. Step 3: Cross multiply
    291,424.32x = 402,186.33 × 162,373.50
  4. Step 4: Simplify right side
    291,424.32x = 65,304,402,054.26
  5. Step 5: Solve for x
    x = 65,304,402,054.26/291,424.32
  6. Step 6: Final answer
    x = 224,087.00

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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.