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Finding the Fourth Proportional to 553,565.85, 828,872.55 and 553,565.85

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Solution

The fourth proportional to 553,565.85, 828,872.55 and 553,565.85 is: 828,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,565.85 : 828,872.55 = 553,565.85 : x
  2. Step 2: Convert to fraction form
    553,565.85/828,872.55 = 553,565.85/x
  3. Step 3: Cross multiply
    553,565.85x = 828,872.55 × 553,565.85
  4. Step 4: Simplify right side
    553,565.85x = 458,835,537,682.42
  5. Step 5: Solve for x
    x = 458,835,537,682.42/553,565.85
  6. Step 6: Final answer
    x = 828,872.55

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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.