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Finding the Fourth Proportional to 552,622.78, 828,934.12 and 153,263.55

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Solution

The fourth proportional to 552,622.78, 828,934.12 and 153,263.55 is: 229,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,622.78 : 828,934.12 = 153,263.55 : x
  2. Step 2: Convert to fraction form
    552,622.78/828,934.12 = 153,263.55/x
  3. Step 3: Cross multiply
    552,622.78x = 828,934.12 × 153,263.55
  4. Step 4: Simplify right side
    552,622.78x = 127,045,387,044.66
  5. Step 5: Solve for x
    x = 127,045,387,044.66/552,622.78
  6. Step 6: Final answer
    x = 229,895.31

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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.