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Finding the Fourth Proportional to 575,455.62, 794,110.57 and 317,343.45

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Solution

The fourth proportional to 575,455.62, 794,110.57 and 317,343.45 is: 437,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,455.62 : 794,110.57 = 317,343.45 : x
  2. Step 2: Convert to fraction form
    575,455.62/794,110.57 = 317,343.45/x
  3. Step 3: Cross multiply
    575,455.62x = 794,110.57 × 317,343.45
  4. Step 4: Simplify right side
    575,455.62x = 252,005,790,149.82
  5. Step 5: Solve for x
    x = 252,005,790,149.82/575,455.62
  6. Step 6: Final answer
    x = 437,923.93

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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.