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Finding the Fourth Proportional to 484,803, 727,283.34 and 143,281.08

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Solution

The fourth proportional to 484,803, 727,283.34 and 143,281.08 is: 214,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,803 : 727,283.34 = 143,281.08 : x
  2. Step 2: Convert to fraction form
    484,803/727,283.34 = 143,281.08/x
  3. Step 3: Cross multiply
    484,803x = 727,283.34 × 143,281.08
  4. Step 4: Simplify right side
    484,803x = 104,205,942,421.21
  5. Step 5: Solve for x
    x = 104,205,942,421.21/484,803
  6. Step 6: Final answer
    x = 214,944.92

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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.