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Finding the Fourth Proportional to 679,059.57, 937,101.92 and 373,155.69

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Solution

The fourth proportional to 679,059.57, 937,101.92 and 373,155.69 is: 514,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,059.57 : 937,101.92 = 373,155.69 : x
  2. Step 2: Convert to fraction form
    679,059.57/937,101.92 = 373,155.69/x
  3. Step 3: Cross multiply
    679,059.57x = 937,101.92 × 373,155.69
  4. Step 4: Simplify right side
    679,059.57x = 349,684,911,692.15
  5. Step 5: Solve for x
    x = 349,684,911,692.15/679,059.57
  6. Step 6: Final answer
    x = 514,954.69

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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.