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Finding the Fourth Proportional to 975,648.61, 1,461,955.77 and 676,713.25

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Solution

The fourth proportional to 975,648.61, 1,461,955.77 and 676,713.25 is: 1,014,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,648.61 : 1,461,955.77 = 676,713.25 : x
  2. Step 2: Convert to fraction form
    975,648.61/1,461,955.77 = 676,713.25/x
  3. Step 3: Cross multiply
    975,648.61x = 1,461,955.77 × 676,713.25
  4. Step 4: Simplify right side
    975,648.61x = 989,324,840,472.95
  5. Step 5: Solve for x
    x = 989,324,840,472.95/975,648.61
  6. Step 6: Final answer
    x = 1,014,017.58

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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.