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Finding the Fourth Proportional to 954,852, 1,317,728.88 and 525,164.64

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Solution

The fourth proportional to 954,852, 1,317,728.88 and 525,164.64 is: 724,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,852 : 1,317,728.88 = 525,164.64 : x
  2. Step 2: Convert to fraction form
    954,852/1,317,728.88 = 525,164.64/x
  3. Step 3: Cross multiply
    954,852x = 1,317,728.88 × 525,164.64
  4. Step 4: Simplify right side
    954,852x = 692,024,612,882.80
  5. Step 5: Solve for x
    x = 692,024,612,882.80/954,852
  6. Step 6: Final answer
    x = 724,745.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.