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Finding the Fourth Proportional to 484,334.85, 726,529.58 and 147,386.46

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Solution

The fourth proportional to 484,334.85, 726,529.58 and 147,386.46 is: 221,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,334.85 : 726,529.58 = 147,386.46 : x
  2. Step 2: Convert to fraction form
    484,334.85/726,529.58 = 147,386.46/x
  3. Step 3: Cross multiply
    484,334.85x = 726,529.58 × 147,386.46
  4. Step 4: Simplify right side
    484,334.85x = 107,080,622,881.49
  5. Step 5: Solve for x
    x = 107,080,622,881.49/484,334.85
  6. Step 6: Final answer
    x = 221,088.00

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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.