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Finding the Fourth Proportional to 460,438.00, 635,423.59 and 256,488.87

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Solution

The fourth proportional to 460,438.00, 635,423.59 and 256,488.87 is: 353,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,438.00 : 635,423.59 = 256,488.87 : x
  2. Step 2: Convert to fraction form
    460,438.00/635,423.59 = 256,488.87/x
  3. Step 3: Cross multiply
    460,438.00x = 635,423.59 × 256,488.87
  4. Step 4: Simplify right side
    460,438.00x = 162,979,077,218.72
  5. Step 5: Solve for x
    x = 162,979,077,218.72/460,438.00
  6. Step 6: Final answer
    x = 353,965.30

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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.