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Finding the Fourth Proportional to 1,716,281.20, 2,399,644.40 and 1,716,281.20

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Solution

The fourth proportional to 1,716,281.20, 2,399,644.40 and 1,716,281.20 is: 2,399,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,281.20 : 2,399,644.40 = 1,716,281.20 : x
  2. Step 2: Convert to fraction form
    1,716,281.20/2,399,644.40 = 1,716,281.20/x
  3. Step 3: Cross multiply
    1,716,281.20x = 2,399,644.40 × 1,716,281.20
  4. Step 4: Simplify right side
    1,716,281.20x = 4,118,464,570,405.28
  5. Step 5: Solve for x
    x = 4,118,464,570,405.28/1,716,281.20
  6. Step 6: Final answer
    x = 2,399,644.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.