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Finding the Fourth Proportional to 552,969.06, 828,124.98 and 315,592.08

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Solution

The fourth proportional to 552,969.06, 828,124.98 and 315,592.08 is: 472,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,969.06 : 828,124.98 = 315,592.08 : x
  2. Step 2: Convert to fraction form
    552,969.06/828,124.98 = 315,592.08/x
  3. Step 3: Cross multiply
    552,969.06x = 828,124.98 × 315,592.08
  4. Step 4: Simplify right side
    552,969.06x = 261,349,684,938.16
  5. Step 5: Solve for x
    x = 261,349,684,938.16/552,969.06
  6. Step 6: Final answer
    x = 472,629.85

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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.