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Finding the Fourth Proportional to 554,601.12, 765,468 and 350,522.16

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Solution

The fourth proportional to 554,601.12, 765,468 and 350,522.16 is: 483,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,601.12 : 765,468 = 350,522.16 : x
  2. Step 2: Convert to fraction form
    554,601.12/765,468 = 350,522.16/x
  3. Step 3: Cross multiply
    554,601.12x = 765,468 × 350,522.16
  4. Step 4: Simplify right side
    554,601.12x = 268,313,496,770.88
  5. Step 5: Solve for x
    x = 268,313,496,770.88/554,601.12
  6. Step 6: Final answer
    x = 483,795.45

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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.