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Finding the Fourth Proportional to 575,801.28, 794,587.32 and 317,678.04

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Solution

The fourth proportional to 575,801.28, 794,587.32 and 317,678.04 is: 438,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,801.28 : 794,587.32 = 317,678.04 : x
  2. Step 2: Convert to fraction form
    575,801.28/794,587.32 = 317,678.04/x
  3. Step 3: Cross multiply
    575,801.28x = 794,587.32 × 317,678.04
  4. Step 4: Simplify right side
    575,801.28x = 252,422,942,426.45
  5. Step 5: Solve for x
    x = 252,422,942,426.45/575,801.28
  6. Step 6: Final answer
    x = 438,385.52

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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.