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Finding the Fourth Proportional to 679,069.58, 937,069.97 and 373,167.20

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Solution

The fourth proportional to 679,069.58, 937,069.97 and 373,167.20 is: 514,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,069.58 : 937,069.97 = 373,167.20 : x
  2. Step 2: Convert to fraction form
    679,069.58/937,069.97 = 373,167.20/x
  3. Step 3: Cross multiply
    679,069.58x = 937,069.97 × 373,167.20
  4. Step 4: Simplify right side
    679,069.58x = 349,683,777,385.82
  5. Step 5: Solve for x
    x = 349,683,777,385.82/679,069.58
  6. Step 6: Final answer
    x = 514,945.43

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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.