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Finding the Fourth Proportional to 261,348.30, 360,770.75 and 176,580.18

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Solution

The fourth proportional to 261,348.30, 360,770.75 and 176,580.18 is: 243,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,348.30 : 360,770.75 = 176,580.18 : x
  2. Step 2: Convert to fraction form
    261,348.30/360,770.75 = 176,580.18/x
  3. Step 3: Cross multiply
    261,348.30x = 360,770.75 × 176,580.18
  4. Step 4: Simplify right side
    261,348.30x = 63,704,963,973.74
  5. Step 5: Solve for x
    x = 63,704,963,973.74/261,348.30
  6. Step 6: Final answer
    x = 243,755.03

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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.