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Finding the Fourth Proportional to 679,124.25, 937,195.11 and 377,318.25

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Solution

The fourth proportional to 679,124.25, 937,195.11 and 377,318.25 is: 520,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,124.25 : 937,195.11 = 377,318.25 : x
  2. Step 2: Convert to fraction form
    679,124.25/937,195.11 = 377,318.25/x
  3. Step 3: Cross multiply
    679,124.25x = 937,195.11 × 377,318.25
  4. Step 4: Simplify right side
    679,124.25x = 353,620,818,813.76
  5. Step 5: Solve for x
    x = 353,620,818,813.76/679,124.25
  6. Step 6: Final answer
    x = 520,701.21

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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.