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Finding the Fourth Proportional to 282,595.53, 423,320.58 and 130,576.51

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Solution

The fourth proportional to 282,595.53, 423,320.58 and 130,576.51 is: 195,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,595.53 : 423,320.58 = 130,576.51 : x
  2. Step 2: Convert to fraction form
    282,595.53/423,320.58 = 130,576.51/x
  3. Step 3: Cross multiply
    282,595.53x = 423,320.58 × 130,576.51
  4. Step 4: Simplify right side
    282,595.53x = 55,275,722,095.55
  5. Step 5: Solve for x
    x = 55,275,722,095.55/282,595.53
  6. Step 6: Final answer
    x = 195,600.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.