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Finding the Fourth Proportional to 291,995.61, 402,859.59 and 162,913.17

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Solution

The fourth proportional to 291,995.61, 402,859.59 and 162,913.17 is: 224,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,995.61 : 402,859.59 = 162,913.17 : x
  2. Step 2: Convert to fraction form
    291,995.61/402,859.59 = 162,913.17/x
  3. Step 3: Cross multiply
    291,995.61x = 402,859.59 × 162,913.17
  4. Step 4: Simplify right side
    291,995.61x = 65,631,133,771.60
  5. Step 5: Solve for x
    x = 65,631,133,771.60/291,995.61
  6. Step 6: Final answer
    x = 224,767.54

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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.