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Finding the Fourth Proportional to 657,308.12, 983,367.95 and 497,843.51

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Solution

The fourth proportional to 657,308.12, 983,367.95 and 497,843.51 is: 744,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,308.12 : 983,367.95 = 497,843.51 : x
  2. Step 2: Convert to fraction form
    657,308.12/983,367.95 = 497,843.51/x
  3. Step 3: Cross multiply
    657,308.12x = 983,367.95 × 497,843.51
  4. Step 4: Simplify right side
    657,308.12x = 489,563,344,443.45
  5. Step 5: Solve for x
    x = 489,563,344,443.45/657,308.12
  6. Step 6: Final answer
    x = 744,800.40

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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.