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Finding the Fourth Proportional to 426,884.93, 589,123.88 and 245,624.40

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Solution

The fourth proportional to 426,884.93, 589,123.88 and 245,624.40 is: 338,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,884.93 : 589,123.88 = 245,624.40 : x
  2. Step 2: Convert to fraction form
    426,884.93/589,123.88 = 245,624.40/x
  3. Step 3: Cross multiply
    426,884.93x = 589,123.88 × 245,624.40
  4. Step 4: Simplify right side
    426,884.93x = 144,703,200,625.28
  5. Step 5: Solve for x
    x = 144,703,200,625.28/426,884.93
  6. Step 6: Final answer
    x = 338,974.72

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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.