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Finding the Fourth Proportional to 868,361.70, 1,197,740.84 and 610,784.94

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Solution

The fourth proportional to 868,361.70, 1,197,740.84 and 610,784.94 is: 842,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,361.70 : 1,197,740.84 = 610,784.94 : x
  2. Step 2: Convert to fraction form
    868,361.70/1,197,740.84 = 610,784.94/x
  3. Step 3: Cross multiply
    868,361.70x = 1,197,740.84 × 610,784.94
  4. Step 4: Simplify right side
    868,361.70x = 731,562,067,094.95
  5. Step 5: Solve for x
    x = 731,562,067,094.95/868,361.70
  6. Step 6: Final answer
    x = 842,462.38

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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.