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Finding the Fourth Proportional to 554,987.87, 832,144.69 and 217,624.35

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Solution

The fourth proportional to 554,987.87, 832,144.69 and 217,624.35 is: 326,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,987.87 : 832,144.69 = 217,624.35 : x
  2. Step 2: Convert to fraction form
    554,987.87/832,144.69 = 217,624.35/x
  3. Step 3: Cross multiply
    554,987.87x = 832,144.69 × 217,624.35
  4. Step 4: Simplify right side
    554,987.87x = 181,094,946,723.14
  5. Step 5: Solve for x
    x = 181,094,946,723.14/554,987.87
  6. Step 6: Final answer
    x = 326,304.34

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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.