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Finding the Fourth Proportional to 635,378.72, 957,530.40 and 572,277.92

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Solution

The fourth proportional to 635,378.72, 957,530.40 and 572,277.92 is: 862,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,378.72 : 957,530.40 = 572,277.92 : x
  2. Step 2: Convert to fraction form
    635,378.72/957,530.40 = 572,277.92/x
  3. Step 3: Cross multiply
    635,378.72x = 957,530.40 × 572,277.92
  4. Step 4: Simplify right side
    635,378.72x = 547,973,505,648.77
  5. Step 5: Solve for x
    x = 547,973,505,648.77/635,378.72
  6. Step 6: Final answer
    x = 862,436.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.