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Finding the Fourth Proportional to 484,490, 726,741.48 and 152,066

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Solution

The fourth proportional to 484,490, 726,741.48 and 152,066 is: 228,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,490 : 726,741.48 = 152,066 : x
  2. Step 2: Convert to fraction form
    484,490/726,741.48 = 152,066/x
  3. Step 3: Cross multiply
    484,490x = 726,741.48 × 152,066
  4. Step 4: Simplify right side
    484,490x = 110,512,669,897.68
  5. Step 5: Solve for x
    x = 110,512,669,897.68/484,490
  6. Step 6: Final answer
    x = 228,101.03

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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.