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Finding the Fourth Proportional to 586,277.25, 879,191.70 and 319,895.37

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Solution

The fourth proportional to 586,277.25, 879,191.70 and 319,895.37 is: 479,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,277.25 : 879,191.70 = 319,895.37 : x
  2. Step 2: Convert to fraction form
    586,277.25/879,191.70 = 319,895.37/x
  3. Step 3: Cross multiply
    586,277.25x = 879,191.70 × 319,895.37
  4. Step 4: Simplify right side
    586,277.25x = 281,249,352,572.95
  5. Step 5: Solve for x
    x = 281,249,352,572.95/586,277.25
  6. Step 6: Final answer
    x = 479,720.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.