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Finding the Fourth Proportional to 611,441.22, 913,044.36 and 499,343.82

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Solution

The fourth proportional to 611,441.22, 913,044.36 and 499,343.82 is: 745,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,441.22 : 913,044.36 = 499,343.82 : x
  2. Step 2: Convert to fraction form
    611,441.22/913,044.36 = 499,343.82/x
  3. Step 3: Cross multiply
    611,441.22x = 913,044.36 × 499,343.82
  4. Step 4: Simplify right side
    611,441.22x = 455,923,058,551.86
  5. Step 5: Solve for x
    x = 455,923,058,551.86/611,441.22
  6. Step 6: Final answer
    x = 745,653.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.