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Finding the Fourth Proportional to 716,547.18, 988,862.33 and 410,682.59

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Solution

The fourth proportional to 716,547.18, 988,862.33 and 410,682.59 is: 566,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,547.18 : 988,862.33 = 410,682.59 : x
  2. Step 2: Convert to fraction form
    716,547.18/988,862.33 = 410,682.59/x
  3. Step 3: Cross multiply
    716,547.18x = 988,862.33 × 410,682.59
  4. Step 4: Simplify right side
    716,547.18x = 406,108,535,840.11
  5. Step 5: Solve for x
    x = 406,108,535,840.11/716,547.18
  6. Step 6: Final answer
    x = 566,757.57

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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.