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Finding the Fourth Proportional to 404,683,565.94, 606,105,981.83 and 316,696,740.84

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Solution

The fourth proportional to 404,683,565.94, 606,105,981.83 and 316,696,740.84 is: 474,325,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,683,565.94 : 606,105,981.83 = 316,696,740.84 : x
  2. Step 2: Convert to fraction form
    404,683,565.94/606,105,981.83 = 316,696,740.84/x
  3. Step 3: Cross multiply
    404,683,565.94x = 606,105,981.83 × 316,696,740.84
  4. Step 4: Simplify right side
    404,683,565.94x = 191,951,789,044,575,232
  5. Step 5: Solve for x
    x = 191,951,789,044,575,232/404,683,565.94
  6. Step 6: Final answer
    x = 474,325,634.16

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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.