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Finding the Fourth Proportional to 484,441.50, 726,779.70 and 152,017.50

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Solution

The fourth proportional to 484,441.50, 726,779.70 and 152,017.50 is: 228,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,441.50 : 726,779.70 = 152,017.50 : x
  2. Step 2: Convert to fraction form
    484,441.50/726,779.70 = 152,017.50/x
  3. Step 3: Cross multiply
    484,441.50x = 726,779.70 × 152,017.50
  4. Step 4: Simplify right side
    484,441.50x = 110,483,233,044.75
  5. Step 5: Solve for x
    x = 110,483,233,044.75/484,441.50
  6. Step 6: Final answer
    x = 228,063.11

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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.