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Finding the Fourth Proportional to 891,550.95, 1,230,017.43 and 585,792.01

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Solution

The fourth proportional to 891,550.95, 1,230,017.43 and 585,792.01 is: 808,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,550.95 : 1,230,017.43 = 585,792.01 : x
  2. Step 2: Convert to fraction form
    891,550.95/1,230,017.43 = 585,792.01/x
  3. Step 3: Cross multiply
    891,550.95x = 1,230,017.43 × 585,792.01
  4. Step 4: Simplify right side
    891,550.95x = 720,534,382,654.73
  5. Step 5: Solve for x
    x = 720,534,382,654.73/891,550.95
  6. Step 6: Final answer
    x = 808,180.83

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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.