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Finding the Fourth Proportional to 606,417.39, 836,841.33 and 334,479.45

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Solution

The fourth proportional to 606,417.39, 836,841.33 and 334,479.45 is: 461,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,417.39 : 836,841.33 = 334,479.45 : x
  2. Step 2: Convert to fraction form
    606,417.39/836,841.33 = 334,479.45/x
  3. Step 3: Cross multiply
    606,417.39x = 836,841.33 × 334,479.45
  4. Step 4: Simplify right side
    606,417.39x = 279,906,225,911.81
  5. Step 5: Solve for x
    x = 279,906,225,911.81/606,417.39
  6. Step 6: Final answer
    x = 461,573.55

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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.