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Finding the Fourth Proportional to 607,080.81, 836,992.70 and 497,782.45

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Solution

The fourth proportional to 607,080.81, 836,992.70 and 497,782.45 is: 686,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,080.81 : 836,992.70 = 497,782.45 : x
  2. Step 2: Convert to fraction form
    607,080.81/836,992.70 = 497,782.45/x
  3. Step 3: Cross multiply
    607,080.81x = 836,992.70 × 497,782.45
  4. Step 4: Simplify right side
    607,080.81x = 416,640,276,838.12
  5. Step 5: Solve for x
    x = 416,640,276,838.12/607,080.81
  6. Step 6: Final answer
    x = 686,301.18

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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.