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Finding the Fourth Proportional to 616,416.06, 850,657.29 and 344,488.50

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Solution

The fourth proportional to 616,416.06, 850,657.29 and 344,488.50 is: 475,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,416.06 : 850,657.29 = 344,488.50 : x
  2. Step 2: Convert to fraction form
    616,416.06/850,657.29 = 344,488.50/x
  3. Step 3: Cross multiply
    616,416.06x = 850,657.29 × 344,488.50
  4. Step 4: Simplify right side
    616,416.06x = 293,041,653,846.17
  5. Step 5: Solve for x
    x = 293,041,653,846.17/616,416.06
  6. Step 6: Final answer
    x = 475,395.88

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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.