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Finding the Fourth Proportional to 548,023.40, 822,035.10 and 349,225.10

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Solution

The fourth proportional to 548,023.40, 822,035.10 and 349,225.10 is: 523,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,023.40 : 822,035.10 = 349,225.10 : x
  2. Step 2: Convert to fraction form
    548,023.40/822,035.10 = 349,225.10/x
  3. Step 3: Cross multiply
    548,023.40x = 822,035.10 × 349,225.10
  4. Step 4: Simplify right side
    548,023.40x = 287,075,290,001.01
  5. Step 5: Solve for x
    x = 287,075,290,001.01/548,023.40
  6. Step 6: Final answer
    x = 523,837.65

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Similar ratio
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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.