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Finding the Fourth Proportional to 591,118.32, 886,802.18 and 191,728.08

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Solution

The fourth proportional to 591,118.32, 886,802.18 and 191,728.08 is: 287,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,118.32 : 886,802.18 = 191,728.08 : x
  2. Step 2: Convert to fraction form
    591,118.32/886,802.18 = 191,728.08/x
  3. Step 3: Cross multiply
    591,118.32x = 886,802.18 × 191,728.08
  4. Step 4: Simplify right side
    591,118.32x = 170,024,878,352.57
  5. Step 5: Solve for x
    x = 170,024,878,352.57/591,118.32
  6. Step 6: Final answer
    x = 287,632.56

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1.5x scale

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.