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Finding the Fourth Proportional to 555,246.40, 833,258.40 and 356,051.20

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Solution

The fourth proportional to 555,246.40, 833,258.40 and 356,051.20 is: 534,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,246.40 : 833,258.40 = 356,051.20 : x
  2. Step 2: Convert to fraction form
    555,246.40/833,258.40 = 356,051.20/x
  3. Step 3: Cross multiply
    555,246.40x = 833,258.40 × 356,051.20
  4. Step 4: Simplify right side
    555,246.40x = 296,682,653,230.08
  5. Step 5: Solve for x
    x = 296,682,653,230.08/555,246.40
  6. Step 6: Final answer
    x = 534,326.12

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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.