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Finding the Fourth Proportional to 570,971.93, 787,584.51 and 367,288.11

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Solution

The fourth proportional to 570,971.93, 787,584.51 and 367,288.11 is: 506,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,971.93 : 787,584.51 = 367,288.11 : x
  2. Step 2: Convert to fraction form
    570,971.93/787,584.51 = 367,288.11/x
  3. Step 3: Cross multiply
    570,971.93x = 787,584.51 × 367,288.11
  4. Step 4: Simplify right side
    570,971.93x = 289,270,426,143.18
  5. Step 5: Solve for x
    x = 289,270,426,143.18/570,971.93
  6. Step 6: Final answer
    x = 506,628.11

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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.