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Finding the Fourth Proportional to 552,283.20, 828,376.20 and 152,888.40

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Solution

The fourth proportional to 552,283.20, 828,376.20 and 152,888.40 is: 229,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,283.20 : 828,376.20 = 152,888.40 : x
  2. Step 2: Convert to fraction form
    552,283.20/828,376.20 = 152,888.40/x
  3. Step 3: Cross multiply
    552,283.20x = 828,376.20 × 152,888.40
  4. Step 4: Simplify right side
    552,283.20x = 126,649,111,816.08
  5. Step 5: Solve for x
    x = 126,649,111,816.08/552,283.20
  6. Step 6: Final answer
    x = 229,319.15

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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.