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Finding the Fourth Proportional to 603,573.22, 832,618.71 and 409,990.90

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Solution

The fourth proportional to 603,573.22, 832,618.71 and 409,990.90 is: 565,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,573.22 : 832,618.71 = 409,990.90 : x
  2. Step 2: Convert to fraction form
    603,573.22/832,618.71 = 409,990.90/x
  3. Step 3: Cross multiply
    603,573.22x = 832,618.71 × 409,990.90
  4. Step 4: Simplify right side
    603,573.22x = 341,366,094,269.74
  5. Step 5: Solve for x
    x = 341,366,094,269.74/603,573.22
  6. Step 6: Final answer
    x = 565,575.28

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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.