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Finding the Fourth Proportional to 553,555.35, 828,856.80 and 553,555.35

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Solution

The fourth proportional to 553,555.35, 828,856.80 and 553,555.35 is: 828,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,555.35 : 828,856.80 = 553,555.35 : x
  2. Step 2: Convert to fraction form
    553,555.35/828,856.80 = 553,555.35/x
  3. Step 3: Cross multiply
    553,555.35x = 828,856.80 × 553,555.35
  4. Step 4: Simplify right side
    553,555.35x = 458,818,116,023.88
  5. Step 5: Solve for x
    x = 458,818,116,023.88/553,555.35
  6. Step 6: Final answer
    x = 828,856.80

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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.