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Finding the Fourth Proportional to 305,848.80, 457,898.40 and 305,848.80

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Solution

The fourth proportional to 305,848.80, 457,898.40 and 305,848.80 is: 457,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,848.80 : 457,898.40 = 305,848.80 : x
  2. Step 2: Convert to fraction form
    305,848.80/457,898.40 = 305,848.80/x
  3. Step 3: Cross multiply
    305,848.80x = 457,898.40 × 305,848.80
  4. Step 4: Simplify right side
    305,848.80x = 140,047,676,161.92
  5. Step 5: Solve for x
    x = 140,047,676,161.92/305,848.80
  6. Step 6: Final answer
    x = 457,898.40

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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.