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Finding the Fourth Proportional to 372,440.80, 514,225.44 and 348,646.24

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Solution

The fourth proportional to 372,440.80, 514,225.44 and 348,646.24 is: 481,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,440.80 : 514,225.44 = 348,646.24 : x
  2. Step 2: Convert to fraction form
    372,440.80/514,225.44 = 348,646.24/x
  3. Step 3: Cross multiply
    372,440.80x = 514,225.44 × 348,646.24
  4. Step 4: Simplify right side
    372,440.80x = 179,282,766,168.35
  5. Step 5: Solve for x
    x = 179,282,766,168.35/372,440.80
  6. Step 6: Final answer
    x = 481,372.52

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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.