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Finding the Fourth Proportional to 914,792.40, 1,282,575.60 and 914,792.40

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Solution

The fourth proportional to 914,792.40, 1,282,575.60 and 914,792.40 is: 1,282,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,792.40 : 1,282,575.60 = 914,792.40 : x
  2. Step 2: Convert to fraction form
    914,792.40/1,282,575.60 = 914,792.40/x
  3. Step 3: Cross multiply
    914,792.40x = 1,282,575.60 × 914,792.40
  4. Step 4: Simplify right side
    914,792.40x = 1,173,290,411,305.44
  5. Step 5: Solve for x
    x = 1,173,290,411,305.44/914,792.40
  6. Step 6: Final answer
    x = 1,282,575.60

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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.