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Finding the Fourth Proportional to 261,576.84, 361,085.73 and 176,808.72

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Solution

The fourth proportional to 261,576.84, 361,085.73 and 176,808.72 is: 244,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,576.84 : 361,085.73 = 176,808.72 : x
  2. Step 2: Convert to fraction form
    261,576.84/361,085.73 = 176,808.72/x
  3. Step 3: Cross multiply
    261,576.84x = 361,085.73 × 176,808.72
  4. Step 4: Simplify right side
    261,576.84x = 63,843,105,731.57
  5. Step 5: Solve for x
    x = 63,843,105,731.57/261,576.84
  6. Step 6: Final answer
    x = 244,070.18

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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.