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Finding the Fourth Proportional to 635,447.04, 953,389.22 and 398,512.32

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Solution

The fourth proportional to 635,447.04, 953,389.22 and 398,512.32 is: 597,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,447.04 : 953,389.22 = 398,512.32 : x
  2. Step 2: Convert to fraction form
    635,447.04/953,389.22 = 398,512.32/x
  3. Step 3: Cross multiply
    635,447.04x = 953,389.22 × 398,512.32
  4. Step 4: Simplify right side
    635,447.04x = 379,937,349,925.19
  5. Step 5: Solve for x
    x = 379,937,349,925.19/635,447.04
  6. Step 6: Final answer
    x = 597,905.61

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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.