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Finding the Fourth Proportional to 381,196, 525,706.08 and 237,969.28

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Solution

The fourth proportional to 381,196, 525,706.08 and 237,969.28 is: 328,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,196 : 525,706.08 = 237,969.28 : x
  2. Step 2: Convert to fraction form
    381,196/525,706.08 = 237,969.28/x
  3. Step 3: Cross multiply
    381,196x = 525,706.08 × 237,969.28
  4. Step 4: Simplify right side
    381,196x = 125,101,897,349.22
  5. Step 5: Solve for x
    x = 125,101,897,349.22/381,196
  6. Step 6: Final answer
    x = 328,182.61

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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.