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Finding the Fourth Proportional to 986,774.40, 1,459,166.40 and 986,774.40

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Solution

The fourth proportional to 986,774.40, 1,459,166.40 and 986,774.40 is: 1,459,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,774.40 : 1,459,166.40 = 986,774.40 : x
  2. Step 2: Convert to fraction form
    986,774.40/1,459,166.40 = 986,774.40/x
  3. Step 3: Cross multiply
    986,774.40x = 1,459,166.40 × 986,774.40
  4. Step 4: Simplify right side
    986,774.40x = 1,439,868,048,860.16
  5. Step 5: Solve for x
    x = 1,439,868,048,860.16/986,774.40
  6. Step 6: Final answer
    x = 1,459,166.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.