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Finding the Fourth Proportional to 293,673.78, 405,280.80 and 162,854.82

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Solution

The fourth proportional to 293,673.78, 405,280.80 and 162,854.82 is: 224,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,673.78 : 405,280.80 = 162,854.82 : x
  2. Step 2: Convert to fraction form
    293,673.78/405,280.80 = 162,854.82/x
  3. Step 3: Cross multiply
    293,673.78x = 405,280.80 × 162,854.82
  4. Step 4: Simplify right side
    293,673.78x = 66,001,931,733.46
  5. Step 5: Solve for x
    x = 66,001,931,733.46/293,673.78
  6. Step 6: Final answer
    x = 224,745.74

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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.