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Finding the Fourth Proportional to 554,381.93, 765,045.38 and 299,733.12

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Solution

The fourth proportional to 554,381.93, 765,045.38 and 299,733.12 is: 413,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,381.93 : 765,045.38 = 299,733.12 : x
  2. Step 2: Convert to fraction form
    554,381.93/765,045.38 = 299,733.12/x
  3. Step 3: Cross multiply
    554,381.93x = 765,045.38 × 299,733.12
  4. Step 4: Simplify right side
    554,381.93x = 229,309,437,190.32
  5. Step 5: Solve for x
    x = 229,309,437,190.32/554,381.93
  6. Step 6: Final answer
    x = 413,630.80

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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.