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Finding the Fourth Proportional to 661,505.80, 992,258.70 and 567,027.40

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Solution

The fourth proportional to 661,505.80, 992,258.70 and 567,027.40 is: 850,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,505.80 : 992,258.70 = 567,027.40 : x
  2. Step 2: Convert to fraction form
    661,505.80/992,258.70 = 567,027.40/x
  3. Step 3: Cross multiply
    661,505.80x = 992,258.70 × 567,027.40
  4. Step 4: Simplify right side
    661,505.80x = 562,637,870,788.38
  5. Step 5: Solve for x
    x = 562,637,870,788.38/661,505.80
  6. Step 6: Final answer
    x = 850,541.10

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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.