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Finding the Fourth Proportional to 713,818.19, 985,066.47 and 441,831.94

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Solution

The fourth proportional to 713,818.19, 985,066.47 and 441,831.94 is: 609,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,818.19 : 985,066.47 = 441,831.94 : x
  2. Step 2: Convert to fraction form
    713,818.19/985,066.47 = 441,831.94/x
  3. Step 3: Cross multiply
    713,818.19x = 985,066.47 × 441,831.94
  4. Step 4: Simplify right side
    713,818.19x = 435,233,827,006.39
  5. Step 5: Solve for x
    x = 435,233,827,006.39/713,818.19
  6. Step 6: Final answer
    x = 609,726.44

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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.