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Finding the Fourth Proportional to 265,798.37, 398,580.51 and 97,274.90

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Solution

The fourth proportional to 265,798.37, 398,580.51 and 97,274.90 is: 145,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,798.37 : 398,580.51 = 97,274.90 : x
  2. Step 2: Convert to fraction form
    265,798.37/398,580.51 = 97,274.90/x
  3. Step 3: Cross multiply
    265,798.37x = 398,580.51 × 97,274.90
  4. Step 4: Simplify right side
    265,798.37x = 38,771,879,252.20
  5. Step 5: Solve for x
    x = 38,771,879,252.20/265,798.37
  6. Step 6: Final answer
    x = 145,869.51

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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.