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Finding the Fourth Proportional to 617,704.17, 926,442.10 and 191,160.46

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Solution

The fourth proportional to 617,704.17, 926,442.10 and 191,160.46 is: 286,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,704.17 : 926,442.10 = 191,160.46 : x
  2. Step 2: Convert to fraction form
    617,704.17/926,442.10 = 191,160.46/x
  3. Step 3: Cross multiply
    617,704.17x = 926,442.10 × 191,160.46
  4. Step 4: Simplify right side
    617,704.17x = 177,099,097,999.37
  5. Step 5: Solve for x
    x = 177,099,097,999.37/617,704.17
  6. Step 6: Final answer
    x = 286,705.36

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1.5x scale

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.