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Finding the Fourth Proportional to 320,369.58, 480,695.04 and 152,011.62

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Solution

The fourth proportional to 320,369.58, 480,695.04 and 152,011.62 is: 228,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,369.58 : 480,695.04 = 152,011.62 : x
  2. Step 2: Convert to fraction form
    320,369.58/480,695.04 = 152,011.62/x
  3. Step 3: Cross multiply
    320,369.58x = 480,695.04 × 152,011.62
  4. Step 4: Simplify right side
    320,369.58x = 73,071,231,756.36
  5. Step 5: Solve for x
    x = 73,071,231,756.36/320,369.58
  6. Step 6: Final answer
    x = 228,084.18

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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.