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Finding the Fourth Proportional to 397,336.70, 596,005.05 and 370,898.30

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Solution

The fourth proportional to 397,336.70, 596,005.05 and 370,898.30 is: 556,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.70 : 596,005.05 = 370,898.30 : x
  2. Step 2: Convert to fraction form
    397,336.70/596,005.05 = 370,898.30/x
  3. Step 3: Cross multiply
    397,336.70x = 596,005.05 × 370,898.30
  4. Step 4: Simplify right side
    397,336.70x = 221,057,259,836.42
  5. Step 5: Solve for x
    x = 221,057,259,836.42/397,336.70
  6. Step 6: Final answer
    x = 556,347.45

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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.