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Finding the Fourth Proportional to 378,833.41, 522,624.90 and 249,606.06

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Solution

The fourth proportional to 378,833.41, 522,624.90 and 249,606.06 is: 344,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,833.41 : 522,624.90 = 249,606.06 : x
  2. Step 2: Convert to fraction form
    378,833.41/522,624.90 = 249,606.06/x
  3. Step 3: Cross multiply
    378,833.41x = 522,624.90 × 249,606.06
  4. Step 4: Simplify right side
    378,833.41x = 130,450,342,146.89
  5. Step 5: Solve for x
    x = 130,450,342,146.89/378,833.41
  6. Step 6: Final answer
    x = 344,347.51

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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.