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Finding the Fourth Proportional to 598,140.84, 825,339.66 and 356,417.40

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Solution

The fourth proportional to 598,140.84, 825,339.66 and 356,417.40 is: 491,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,140.84 : 825,339.66 = 356,417.40 : x
  2. Step 2: Convert to fraction form
    598,140.84/825,339.66 = 356,417.40/x
  3. Step 3: Cross multiply
    598,140.84x = 825,339.66 × 356,417.40
  4. Step 4: Simplify right side
    598,140.84x = 294,165,415,734.08
  5. Step 5: Solve for x
    x = 294,165,415,734.08/598,140.84
  6. Step 6: Final answer
    x = 491,799.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.