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Finding the Fourth Proportional to 617,258.05, 925,388.79 and 567,435.40

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Solution

The fourth proportional to 617,258.05, 925,388.79 and 567,435.40 is: 850,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,258.05 : 925,388.79 = 567,435.40 : x
  2. Step 2: Convert to fraction form
    617,258.05/925,388.79 = 567,435.40/x
  3. Step 3: Cross multiply
    617,258.05x = 925,388.79 × 567,435.40
  4. Step 4: Simplify right side
    617,258.05x = 525,098,358,209.17
  5. Step 5: Solve for x
    x = 525,098,358,209.17/617,258.05
  6. Step 6: Final answer
    x = 850,695.03

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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.