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Finding the Fourth Proportional to 716,671.74, 989,047.86 and 410,799.03

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Solution

The fourth proportional to 716,671.74, 989,047.86 and 410,799.03 is: 566,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,671.74 : 989,047.86 = 410,799.03 : x
  2. Step 2: Convert to fraction form
    716,671.74/989,047.86 = 410,799.03/x
  3. Step 3: Cross multiply
    716,671.74x = 989,047.86 × 410,799.03
  4. Step 4: Simplify right side
    716,671.74x = 406,299,896,566.34
  5. Step 5: Solve for x
    x = 406,299,896,566.34/716,671.74
  6. Step 6: Final answer
    x = 566,926.08

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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.