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Finding the Fourth Proportional to 484,643.56, 727,080.36 and 152,219.56

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Solution

The fourth proportional to 484,643.56, 727,080.36 and 152,219.56 is: 228,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,643.56 : 727,080.36 = 152,219.56 : x
  2. Step 2: Convert to fraction form
    484,643.56/727,080.36 = 152,219.56/x
  3. Step 3: Cross multiply
    484,643.56x = 727,080.36 × 152,219.56
  4. Step 4: Simplify right side
    484,643.56x = 110,675,852,483.84
  5. Step 5: Solve for x
    x = 110,675,852,483.84/484,643.56
  6. Step 6: Final answer
    x = 228,365.47

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1.5x scale

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.