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Finding the Fourth Proportional to 836,706.60, 1,255,415.04 and 457,184.03

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Solution

The fourth proportional to 836,706.60, 1,255,415.04 and 457,184.03 is: 685,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,706.60 : 1,255,415.04 = 457,184.03 : x
  2. Step 2: Convert to fraction form
    836,706.60/1,255,415.04 = 457,184.03/x
  3. Step 3: Cross multiply
    836,706.60x = 1,255,415.04 × 457,184.03
  4. Step 4: Simplify right side
    836,706.60x = 573,955,701,032.74
  5. Step 5: Solve for x
    x = 573,955,701,032.74/836,706.60
  6. Step 6: Final answer
    x = 685,970.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.