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Finding the Fourth Proportional to 219,816.80, 329,384.16 and 152,480.32

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Solution

The fourth proportional to 219,816.80, 329,384.16 and 152,480.32 is: 228,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,816.80 : 329,384.16 = 152,480.32 : x
  2. Step 2: Convert to fraction form
    219,816.80/329,384.16 = 152,480.32/x
  3. Step 3: Cross multiply
    219,816.80x = 329,384.16 × 152,480.32
  4. Step 4: Simplify right side
    219,816.80x = 50,224,602,119.73
  5. Step 5: Solve for x
    x = 50,224,602,119.73/219,816.80
  6. Step 6: Final answer
    x = 228,483.91

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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.