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Finding the Fourth Proportional to 655,326.66, 983,226.64 and 228,925.48

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Solution

The fourth proportional to 655,326.66, 983,226.64 and 228,925.48 is: 343,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,326.66 : 983,226.64 = 228,925.48 : x
  2. Step 2: Convert to fraction form
    655,326.66/983,226.64 = 228,925.48/x
  3. Step 3: Cross multiply
    655,326.66x = 983,226.64 × 228,925.48
  4. Step 4: Simplify right side
    655,326.66x = 225,085,630,510.79
  5. Step 5: Solve for x
    x = 225,085,630,510.79/655,326.66
  6. Step 6: Final answer
    x = 343,470.89

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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.