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Finding the Fourth Proportional to 261,063.18, 359,762.76 and 185,480.46

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Solution

The fourth proportional to 261,063.18, 359,762.76 and 185,480.46 is: 255,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,063.18 : 359,762.76 = 185,480.46 : x
  2. Step 2: Convert to fraction form
    261,063.18/359,762.76 = 185,480.46/x
  3. Step 3: Cross multiply
    261,063.18x = 359,762.76 × 185,480.46
  4. Step 4: Simplify right side
    261,063.18x = 66,728,962,215.67
  5. Step 5: Solve for x
    x = 66,728,962,215.67/261,063.18
  6. Step 6: Final answer
    x = 255,604.65

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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.