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Finding the Fourth Proportional to 595,465.60, 893,198.40 and 221,411.20

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Solution

The fourth proportional to 595,465.60, 893,198.40 and 221,411.20 is: 332,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,465.60 : 893,198.40 = 221,411.20 : x
  2. Step 2: Convert to fraction form
    595,465.60/893,198.40 = 221,411.20/x
  3. Step 3: Cross multiply
    595,465.60x = 893,198.40 × 221,411.20
  4. Step 4: Simplify right side
    595,465.60x = 197,764,129,582.08
  5. Step 5: Solve for x
    x = 197,764,129,582.08/595,465.60
  6. Step 6: Final answer
    x = 332,116.80

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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.