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Finding the Fourth Proportional to 524,125.89, 722,334.51 and 380,636.82

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Solution

The fourth proportional to 524,125.89, 722,334.51 and 380,636.82 is: 524,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,125.89 : 722,334.51 = 380,636.82 : x
  2. Step 2: Convert to fraction form
    524,125.89/722,334.51 = 380,636.82/x
  3. Step 3: Cross multiply
    524,125.89x = 722,334.51 × 380,636.82
  4. Step 4: Simplify right side
    524,125.89x = 274,947,110,862.66
  5. Step 5: Solve for x
    x = 274,947,110,862.66/524,125.89
  6. Step 6: Final answer
    x = 524,582.20

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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.