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Finding the Fourth Proportional to 570,670.08, 787,524 and 316,020.96

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Solution

The fourth proportional to 570,670.08, 787,524 and 316,020.96 is: 436,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,670.08 : 787,524 = 316,020.96 : x
  2. Step 2: Convert to fraction form
    570,670.08/787,524 = 316,020.96/x
  3. Step 3: Cross multiply
    570,670.08x = 787,524 × 316,020.96
  4. Step 4: Simplify right side
    570,670.08x = 248,874,090,503.04
  5. Step 5: Solve for x
    x = 248,874,090,503.04/570,670.08
  6. Step 6: Final answer
    x = 436,108.53

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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.