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Finding the Fourth Proportional to 348,281.78, 480,595.28 and 195,326.24

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Solution

The fourth proportional to 348,281.78, 480,595.28 and 195,326.24 is: 269,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,281.78 : 480,595.28 = 195,326.24 : x
  2. Step 2: Convert to fraction form
    348,281.78/480,595.28 = 195,326.24/x
  3. Step 3: Cross multiply
    348,281.78x = 480,595.28 × 195,326.24
  4. Step 4: Simplify right side
    348,281.78x = 93,872,865,624.54
  5. Step 5: Solve for x
    x = 93,872,865,624.54/348,281.78
  6. Step 6: Final answer
    x = 269,531.37

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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.