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Finding the Fourth Proportional to 291,554.60, 402,332.91 and 162,486.20

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Solution

The fourth proportional to 291,554.60, 402,332.91 and 162,486.20 is: 224,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,554.60 : 402,332.91 = 162,486.20 : x
  2. Step 2: Convert to fraction form
    291,554.60/402,332.91 = 162,486.20/x
  3. Step 3: Cross multiply
    291,554.60x = 402,332.91 × 162,486.20
  4. Step 4: Simplify right side
    291,554.60x = 65,373,545,680.84
  5. Step 5: Solve for x
    x = 65,373,545,680.84/291,554.60
  6. Step 6: Final answer
    x = 224,224.03

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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.