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Finding the Fourth Proportional to 528,066.80, 792,100.20 and 154,041.20

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Solution

The fourth proportional to 528,066.80, 792,100.20 and 154,041.20 is: 231,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.80 : 792,100.20 = 154,041.20 : x
  2. Step 2: Convert to fraction form
    528,066.80/792,100.20 = 154,041.20/x
  3. Step 3: Cross multiply
    528,066.80x = 792,100.20 × 154,041.20
  4. Step 4: Simplify right side
    528,066.80x = 122,016,065,328.24
  5. Step 5: Solve for x
    x = 122,016,065,328.24/528,066.80
  6. Step 6: Final answer
    x = 231,061.80

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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.