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Finding the Fourth Proportional to 460,347.71, 635,277.87 and 256,401.05

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Solution

The fourth proportional to 460,347.71, 635,277.87 and 256,401.05 is: 353,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,347.71 : 635,277.87 = 256,401.05 : x
  2. Step 2: Convert to fraction form
    460,347.71/635,277.87 = 256,401.05/x
  3. Step 3: Cross multiply
    460,347.71x = 635,277.87 × 256,401.05
  4. Step 4: Simplify right side
    460,347.71x = 162,885,909,733.37
  5. Step 5: Solve for x
    x = 162,885,909,733.37/460,347.71
  6. Step 6: Final answer
    x = 353,832.35

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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.