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Finding the Fourth Proportional to 504,337.12, 756,618 and 220,073.56

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Solution

The fourth proportional to 504,337.12, 756,618 and 220,073.56 is: 330,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,337.12 : 756,618 = 220,073.56 : x
  2. Step 2: Convert to fraction form
    504,337.12/756,618 = 220,073.56/x
  3. Step 3: Cross multiply
    504,337.12x = 756,618 × 220,073.56
  4. Step 4: Simplify right side
    504,337.12x = 166,511,616,820.08
  5. Step 5: Solve for x
    x = 166,511,616,820.08/504,337.12
  6. Step 6: Final answer
    x = 330,159.35

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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.