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Finding the Fourth Proportional to 2,868,823.92, 4,301,991.72 and 975,056.88

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Solution

The fourth proportional to 2,868,823.92, 4,301,991.72 and 975,056.88 is: 1,462,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,823.92 : 4,301,991.72 = 975,056.88 : x
  2. Step 2: Convert to fraction form
    2,868,823.92/4,301,991.72 = 975,056.88/x
  3. Step 3: Cross multiply
    2,868,823.92x = 4,301,991.72 × 975,056.88
  4. Step 4: Simplify right side
    2,868,823.92x = 4,194,686,624,289.03
  5. Step 5: Solve for x
    x = 4,194,686,624,289.03/2,868,823.92
  6. Step 6: Final answer
    x = 1,462,162.45

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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.