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Finding the Fourth Proportional to 265,526.19, 398,073.11 and 123,460.89

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Solution

The fourth proportional to 265,526.19, 398,073.11 and 123,460.89 is: 185,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,526.19 : 398,073.11 = 123,460.89 : x
  2. Step 2: Convert to fraction form
    265,526.19/398,073.11 = 123,460.89/x
  3. Step 3: Cross multiply
    265,526.19x = 398,073.11 × 123,460.89
  4. Step 4: Simplify right side
    265,526.19x = 49,146,459,828.36
  5. Step 5: Solve for x
    x = 49,146,459,828.36/265,526.19
  6. Step 6: Final answer
    x = 185,090.82

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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.