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Finding the Fourth Proportional to 404,113.10, 607,336.05 and 397,114.70

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Solution

The fourth proportional to 404,113.10, 607,336.05 and 397,114.70 is: 596,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,113.10 : 607,336.05 = 397,114.70 : x
  2. Step 2: Convert to fraction form
    404,113.10/607,336.05 = 397,114.70/x
  3. Step 3: Cross multiply
    404,113.10x = 607,336.05 × 397,114.70
  4. Step 4: Simplify right side
    404,113.10x = 241,182,073,294.94
  5. Step 5: Solve for x
    x = 241,182,073,294.94/404,113.10
  6. Step 6: Final answer
    x = 596,818.25

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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.