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Finding the Fourth Proportional to 533,840.05, 736,699.24 and 292,122.65

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Solution

The fourth proportional to 533,840.05, 736,699.24 and 292,122.65 is: 403,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,840.05 : 736,699.24 = 292,122.65 : x
  2. Step 2: Convert to fraction form
    533,840.05/736,699.24 = 292,122.65/x
  3. Step 3: Cross multiply
    533,840.05x = 736,699.24 × 292,122.65
  4. Step 4: Simplify right side
    533,840.05x = 215,206,534,797.51
  5. Step 5: Solve for x
    x = 215,206,534,797.51/533,840.05
  6. Step 6: Final answer
    x = 403,129.24

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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.