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Finding the Fourth Proportional to 679,158.54, 937,193.45 and 373,228.34

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Solution

The fourth proportional to 679,158.54, 937,193.45 and 373,228.34 is: 515,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,158.54 : 937,193.45 = 373,228.34 : x
  2. Step 2: Convert to fraction form
    679,158.54/937,193.45 = 373,228.34/x
  3. Step 3: Cross multiply
    679,158.54x = 937,193.45 × 373,228.34
  4. Step 4: Simplify right side
    679,158.54x = 349,787,149,050.26
  5. Step 5: Solve for x
    x = 349,787,149,050.26/679,158.54
  6. Step 6: Final answer
    x = 515,030.19

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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.