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Finding the Fourth Proportional to 615,055.90, 922,182.90 and 552,070.30

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Solution

The fourth proportional to 615,055.90, 922,182.90 and 552,070.30 is: 827,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,055.90 : 922,182.90 = 552,070.30 : x
  2. Step 2: Convert to fraction form
    615,055.90/922,182.90 = 552,070.30/x
  3. Step 3: Cross multiply
    615,055.90x = 922,182.90 × 552,070.30
  4. Step 4: Simplify right side
    615,055.90x = 509,109,790,257.87
  5. Step 5: Solve for x
    x = 509,109,790,257.87/615,055.90
  6. Step 6: Final answer
    x = 827,745.56

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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.