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Finding the Fourth Proportional to 966,933.60, 1,450,400.40 and 745,749.60

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Solution

The fourth proportional to 966,933.60, 1,450,400.40 and 745,749.60 is: 1,118,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,933.60 : 1,450,400.40 = 745,749.60 : x
  2. Step 2: Convert to fraction form
    966,933.60/1,450,400.40 = 745,749.60/x
  3. Step 3: Cross multiply
    966,933.60x = 1,450,400.40 × 745,749.60
  4. Step 4: Simplify right side
    966,933.60x = 1,081,635,518,139.84
  5. Step 5: Solve for x
    x = 1,081,635,518,139.84/966,933.60
  6. Step 6: Final answer
    x = 1,118,624.40

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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.