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Finding the Fourth Proportional to 440,088.76, 660,570.54 and 203,484.52

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Solution

The fourth proportional to 440,088.76, 660,570.54 and 203,484.52 is: 305,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,088.76 : 660,570.54 = 203,484.52 : x
  2. Step 2: Convert to fraction form
    440,088.76/660,570.54 = 203,484.52/x
  3. Step 3: Cross multiply
    440,088.76x = 660,570.54 × 203,484.52
  4. Step 4: Simplify right side
    440,088.76x = 134,415,879,258.04
  5. Step 5: Solve for x
    x = 134,415,879,258.04/440,088.76
  6. Step 6: Final answer
    x = 305,429.02

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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.