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Finding the Fourth Proportional to 607,062.72, 837,831.04 and 338,808

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Solution

The fourth proportional to 607,062.72, 837,831.04 and 338,808 is: 467,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,062.72 : 837,831.04 = 338,808 : x
  2. Step 2: Convert to fraction form
    607,062.72/837,831.04 = 338,808/x
  3. Step 3: Cross multiply
    607,062.72x = 837,831.04 × 338,808
  4. Step 4: Simplify right side
    607,062.72x = 283,863,859,000.32
  5. Step 5: Solve for x
    x = 283,863,859,000.32/607,062.72
  6. Step 6: Final answer
    x = 467,602.19

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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.