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Finding the Fourth Proportional to 484,598.50, 727,015.20 and 152,174.50

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Solution

The fourth proportional to 484,598.50, 727,015.20 and 152,174.50 is: 228,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,598.50 : 727,015.20 = 152,174.50 : x
  2. Step 2: Convert to fraction form
    484,598.50/727,015.20 = 152,174.50/x
  3. Step 3: Cross multiply
    484,598.50x = 727,015.20 × 152,174.50
  4. Step 4: Simplify right side
    484,598.50x = 110,633,174,552.40
  5. Step 5: Solve for x
    x = 110,633,174,552.40/484,598.50
  6. Step 6: Final answer
    x = 228,298.63

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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.