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Finding the Fourth Proportional to 270,862.78, 373,852.85 and 180,222.57

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Solution

The fourth proportional to 270,862.78, 373,852.85 and 180,222.57 is: 248,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,862.78 : 373,852.85 = 180,222.57 : x
  2. Step 2: Convert to fraction form
    270,862.78/373,852.85 = 180,222.57/x
  3. Step 3: Cross multiply
    270,862.78x = 373,852.85 × 180,222.57
  4. Step 4: Simplify right side
    270,862.78x = 67,376,721,428.82
  5. Step 5: Solve for x
    x = 67,376,721,428.82/270,862.78
  6. Step 6: Final answer
    x = 248,748.54

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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.