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Finding the Fourth Proportional to 716,031.87, 988,122.77 and 410,207.25

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Solution

The fourth proportional to 716,031.87, 988,122.77 and 410,207.25 is: 566,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,031.87 : 988,122.77 = 410,207.25 : x
  2. Step 2: Convert to fraction form
    716,031.87/988,122.77 = 410,207.25/x
  3. Step 3: Cross multiply
    716,031.87x = 988,122.77 × 410,207.25
  4. Step 4: Simplify right side
    716,031.87x = 405,335,124,144.08
  5. Step 5: Solve for x
    x = 405,335,124,144.08/716,031.87
  6. Step 6: Final answer
    x = 566,085.31

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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.