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Finding the Fourth Proportional to 551,554.64, 827,285.88 and 219,041.36

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Solution

The fourth proportional to 551,554.64, 827,285.88 and 219,041.36 is: 328,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,554.64 : 827,285.88 = 219,041.36 : x
  2. Step 2: Convert to fraction form
    551,554.64/827,285.88 = 219,041.36/x
  3. Step 3: Cross multiply
    551,554.64x = 827,285.88 × 219,041.36
  4. Step 4: Simplify right side
    551,554.64x = 181,209,824,264.00
  5. Step 5: Solve for x
    x = 181,209,824,264.00/551,554.64
  6. Step 6: Final answer
    x = 328,543.74

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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.