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Finding the Fourth Proportional to 607,024.40, 911,573.40 and 397,590.80

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Solution

The fourth proportional to 607,024.40, 911,573.40 and 397,590.80 is: 597,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,024.40 : 911,573.40 = 397,590.80 : x
  2. Step 2: Convert to fraction form
    607,024.40/911,573.40 = 397,590.80/x
  3. Step 3: Cross multiply
    607,024.40x = 911,573.40 × 397,590.80
  4. Step 4: Simplify right side
    607,024.40x = 362,433,197,364.72
  5. Step 5: Solve for x
    x = 362,433,197,364.72/607,024.40
  6. Step 6: Final answer
    x = 597,065.29

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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.