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Finding the Fourth Proportional to 663,091.60, 994,637.40 and 589,608.40

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Solution

The fourth proportional to 663,091.60, 994,637.40 and 589,608.40 is: 884,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,091.60 : 994,637.40 = 589,608.40 : x
  2. Step 2: Convert to fraction form
    663,091.60/994,637.40 = 589,608.40/x
  3. Step 3: Cross multiply
    663,091.60x = 994,637.40 × 589,608.40
  4. Step 4: Simplify right side
    663,091.60x = 586,446,565,994.16
  5. Step 5: Solve for x
    x = 586,446,565,994.16/663,091.60
  6. Step 6: Final answer
    x = 884,412.60

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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.