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Finding the Fourth Proportional to 616,392.01, 850,622.13 and 344,459.91

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Solution

The fourth proportional to 616,392.01, 850,622.13 and 344,459.91 is: 475,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,392.01 : 850,622.13 = 344,459.91 : x
  2. Step 2: Convert to fraction form
    616,392.01/850,622.13 = 344,459.91/x
  3. Step 3: Cross multiply
    616,392.01x = 850,622.13 × 344,459.91
  4. Step 4: Simplify right side
    616,392.01x = 293,005,222,343.81
  5. Step 5: Solve for x
    x = 293,005,222,343.81/616,392.01
  6. Step 6: Final answer
    x = 475,355.32

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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.