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Finding the Fourth Proportional to 575,444.35, 863,698.90 and 291,334.52

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Solution

The fourth proportional to 575,444.35, 863,698.90 and 291,334.52 is: 437,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,444.35 : 863,698.90 = 291,334.52 : x
  2. Step 2: Convert to fraction form
    575,444.35/863,698.90 = 291,334.52/x
  3. Step 3: Cross multiply
    575,444.35x = 863,698.90 × 291,334.52
  4. Step 4: Simplify right side
    575,444.35x = 251,625,305,886.94
  5. Step 5: Solve for x
    x = 251,625,305,886.94/575,444.35
  6. Step 6: Final answer
    x = 437,271.31

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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.