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Finding the Fourth Proportional to 575,907.86, 794,747.40 and 317,787.14

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Solution

The fourth proportional to 575,907.86, 794,747.40 and 317,787.14 is: 438,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,907.86 : 794,747.40 = 317,787.14 : x
  2. Step 2: Convert to fraction form
    575,907.86/794,747.40 = 317,787.14/x
  3. Step 3: Cross multiply
    575,907.86x = 794,747.40 × 317,787.14
  4. Step 4: Simplify right side
    575,907.86x = 252,560,503,268.44
  5. Step 5: Solve for x
    x = 252,560,503,268.44/575,907.86
  6. Step 6: Final answer
    x = 438,543.25

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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.