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Finding the Fourth Proportional to 570,667.59, 787,546.04 and 316,018.79

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Solution

The fourth proportional to 570,667.59, 787,546.04 and 316,018.79 is: 436,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,667.59 : 787,546.04 = 316,018.79 : x
  2. Step 2: Convert to fraction form
    570,667.59/787,546.04 = 316,018.79/x
  3. Step 3: Cross multiply
    570,667.59x = 787,546.04 × 316,018.79
  4. Step 4: Simplify right side
    570,667.59x = 248,879,341,112.27
  5. Step 5: Solve for x
    x = 248,879,341,112.27/570,667.59
  6. Step 6: Final answer
    x = 436,119.64

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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.