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Finding the Fourth Proportional to 692,413, 955,532.82 and 374,461

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Solution

The fourth proportional to 692,413, 955,532.82 and 374,461 is: 516,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,413 : 955,532.82 = 374,461 : x
  2. Step 2: Convert to fraction form
    692,413/955,532.82 = 374,461/x
  3. Step 3: Cross multiply
    692,413x = 955,532.82 × 374,461
  4. Step 4: Simplify right side
    692,413x = 357,809,775,310.02
  5. Step 5: Solve for x
    x = 357,809,775,310.02/692,413
  6. Step 6: Final answer
    x = 516,757.74

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1.5x scale

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.