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Finding the Fourth Proportional to 478,843.03, 718,264.55 and 163,302.67

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Solution

The fourth proportional to 478,843.03, 718,264.55 and 163,302.67 is: 244,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,843.03 : 718,264.55 = 163,302.67 : x
  2. Step 2: Convert to fraction form
    478,843.03/718,264.55 = 163,302.67/x
  3. Step 3: Cross multiply
    478,843.03x = 718,264.55 × 163,302.67
  4. Step 4: Simplify right side
    478,843.03x = 117,294,518,781.35
  5. Step 5: Solve for x
    x = 117,294,518,781.35/478,843.03
  6. Step 6: Final answer
    x = 244,954.01

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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.