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Finding the Fourth Proportional to 486,301.18, 729,451.77 and 249,492.82

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Solution

The fourth proportional to 486,301.18, 729,451.77 and 249,492.82 is: 374,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,301.18 : 729,451.77 = 249,492.82 : x
  2. Step 2: Convert to fraction form
    486,301.18/729,451.77 = 249,492.82/x
  3. Step 3: Cross multiply
    486,301.18x = 729,451.77 × 249,492.82
  4. Step 4: Simplify right side
    486,301.18x = 181,992,979,151.29
  5. Step 5: Solve for x
    x = 181,992,979,151.29/486,301.18
  6. Step 6: Final answer
    x = 374,239.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.