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Finding the Fourth Proportional to 261,576.34, 360,950.40 and 146,828.70

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Solution

The fourth proportional to 261,576.34, 360,950.40 and 146,828.70 is: 202,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,576.34 : 360,950.40 = 146,828.70 : x
  2. Step 2: Convert to fraction form
    261,576.34/360,950.40 = 146,828.70/x
  3. Step 3: Cross multiply
    261,576.34x = 360,950.40 × 146,828.70
  4. Step 4: Simplify right side
    261,576.34x = 52,997,877,996.48
  5. Step 5: Solve for x
    x = 52,997,877,996.48/261,576.34
  6. Step 6: Final answer
    x = 202,609.60

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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.