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Finding the Fourth Proportional to 716,029.64, 988,119.69 and 410,205.02

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Solution

The fourth proportional to 716,029.64, 988,119.69 and 410,205.02 is: 566,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,029.64 : 988,119.69 = 410,205.02 : x
  2. Step 2: Convert to fraction form
    716,029.64/988,119.69 = 410,205.02/x
  3. Step 3: Cross multiply
    716,029.64x = 988,119.69 × 410,205.02
  4. Step 4: Simplify right side
    716,029.64x = 405,331,657,198.84
  5. Step 5: Solve for x
    x = 405,331,657,198.84/716,029.64
  6. Step 6: Final answer
    x = 566,082.24

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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.