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Finding the Fourth Proportional to 4,006,607.64, 6,009,867.09 and 973,976.40

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Solution

The fourth proportional to 4,006,607.64, 6,009,867.09 and 973,976.40 is: 1,460,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006,607.64 : 6,009,867.09 = 973,976.40 : x
  2. Step 2: Convert to fraction form
    4,006,607.64/6,009,867.09 = 973,976.40/x
  3. Step 3: Cross multiply
    4,006,607.64x = 6,009,867.09 × 973,976.40
  4. Step 4: Simplify right side
    4,006,607.64x = 5,853,468,712,796.68
  5. Step 5: Solve for x
    x = 5,853,468,712,796.68/4,006,607.64
  6. Step 6: Final answer
    x = 1,460,953.81

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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.