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Finding the Fourth Proportional to 968,085.60, 1,452,128.40 and 968,085.60

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Solution

The fourth proportional to 968,085.60, 1,452,128.40 and 968,085.60 is: 1,452,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,085.60 : 1,452,128.40 = 968,085.60 : x
  2. Step 2: Convert to fraction form
    968,085.60/1,452,128.40 = 968,085.60/x
  3. Step 3: Cross multiply
    968,085.60x = 1,452,128.40 × 968,085.60
  4. Step 4: Simplify right side
    968,085.60x = 1,405,784,593,391.04
  5. Step 5: Solve for x
    x = 1,405,784,593,391.04/968,085.60
  6. Step 6: Final answer
    x = 1,452,128.40

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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.