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Finding the Fourth Proportional to 572,650.32, 858,327.36 and 291,573.84

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Solution

The fourth proportional to 572,650.32, 858,327.36 and 291,573.84 is: 437,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,650.32 : 858,327.36 = 291,573.84 : x
  2. Step 2: Convert to fraction form
    572,650.32/858,327.36 = 291,573.84/x
  3. Step 3: Cross multiply
    572,650.32x = 858,327.36 × 291,573.84
  4. Step 4: Simplify right side
    572,650.32x = 250,265,804,332.26
  5. Step 5: Solve for x
    x = 250,265,804,332.26/572,650.32
  6. Step 6: Final answer
    x = 437,030.76

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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.