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Finding the Fourth Proportional to 616,005.08, 850,077.92 and 344,076.76

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Solution

The fourth proportional to 616,005.08, 850,077.92 and 344,076.76 is: 474,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,005.08 : 850,077.92 = 344,076.76 : x
  2. Step 2: Convert to fraction form
    616,005.08/850,077.92 = 344,076.76/x
  3. Step 3: Cross multiply
    616,005.08x = 850,077.92 × 344,076.76
  4. Step 4: Simplify right side
    616,005.08x = 292,492,056,461.14
  5. Step 5: Solve for x
    x = 292,492,056,461.14/616,005.08
  6. Step 6: Final answer
    x = 474,820.85

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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.