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Finding the Fourth Proportional to 256,033.48, 384,050.16 and 69,044.92

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Solution

The fourth proportional to 256,033.48, 384,050.16 and 69,044.92 is: 103,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,033.48 : 384,050.16 = 69,044.92 : x
  2. Step 2: Convert to fraction form
    256,033.48/384,050.16 = 69,044.92/x
  3. Step 3: Cross multiply
    256,033.48x = 384,050.16 × 69,044.92
  4. Step 4: Simplify right side
    256,033.48x = 26,516,712,573.19
  5. Step 5: Solve for x
    x = 26,516,712,573.19/256,033.48
  6. Step 6: Final answer
    x = 103,567.36

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1.5x scale

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.