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Finding the Fourth Proportional to 607,626.09, 838,498.46 and 349,483.55

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Solution

The fourth proportional to 607,626.09, 838,498.46 and 349,483.55 is: 482,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,626.09 : 838,498.46 = 349,483.55 : x
  2. Step 2: Convert to fraction form
    607,626.09/838,498.46 = 349,483.55/x
  3. Step 3: Cross multiply
    607,626.09x = 838,498.46 × 349,483.55
  4. Step 4: Simplify right side
    607,626.09x = 293,041,412,530.42
  5. Step 5: Solve for x
    x = 293,041,412,530.42/607,626.09
  6. Step 6: Final answer
    x = 482,272.60

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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.