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Finding the Fourth Proportional to 1,217,464.40, 1,824,641.40 and 935,584.40

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Solution

The fourth proportional to 1,217,464.40, 1,824,641.40 and 935,584.40 is: 1,402,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,464.40 : 1,824,641.40 = 935,584.40 : x
  2. Step 2: Convert to fraction form
    1,217,464.40/1,824,641.40 = 935,584.40/x
  3. Step 3: Cross multiply
    1,217,464.40x = 1,824,641.40 × 935,584.40
  4. Step 4: Simplify right side
    1,217,464.40x = 1,707,106,029,434.16
  5. Step 5: Solve for x
    x = 1,707,106,029,434.16/1,217,464.40
  6. Step 6: Final answer
    x = 1,402,181.48

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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.