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Finding the Fourth Proportional to 607,105.02, 910,701.54 and 233,128.02

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Solution

The fourth proportional to 607,105.02, 910,701.54 and 233,128.02 is: 349,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,105.02 : 910,701.54 = 233,128.02 : x
  2. Step 2: Convert to fraction form
    607,105.02/910,701.54 = 233,128.02/x
  3. Step 3: Cross multiply
    607,105.02x = 910,701.54 × 233,128.02
  4. Step 4: Simplify right side
    607,105.02x = 212,310,046,831.15
  5. Step 5: Solve for x
    x = 212,310,046,831.15/607,105.02
  6. Step 6: Final answer
    x = 349,708.93

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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.