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Finding the Fourth Proportional to 616,393.02, 850,623.52 and 344,460.90

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Solution

The fourth proportional to 616,393.02, 850,623.52 and 344,460.90 is: 475,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,393.02 : 850,623.52 = 344,460.90 : x
  2. Step 2: Convert to fraction form
    616,393.02/850,623.52 = 344,460.90/x
  3. Step 3: Cross multiply
    616,393.02x = 850,623.52 × 344,460.90
  4. Step 4: Simplify right side
    616,393.02x = 293,006,543,260.37
  5. Step 5: Solve for x
    x = 293,006,543,260.37/616,393.02
  6. Step 6: Final answer
    x = 475,356.69

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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.