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Finding the Fourth Proportional to 344,106.90, 474,890.85 and 259,089.30

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Solution

The fourth proportional to 344,106.90, 474,890.85 and 259,089.30 is: 357,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,106.90 : 474,890.85 = 259,089.30 : x
  2. Step 2: Convert to fraction form
    344,106.90/474,890.85 = 259,089.30/x
  3. Step 3: Cross multiply
    344,106.90x = 474,890.85 × 259,089.30
  4. Step 4: Simplify right side
    344,106.90x = 123,039,137,902.91
  5. Step 5: Solve for x
    x = 123,039,137,902.91/344,106.90
  6. Step 6: Final answer
    x = 357,560.80

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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.