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Finding the Fourth Proportional to 570,674.11, 787,530.50 and 316,025.30

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Solution

The fourth proportional to 570,674.11, 787,530.50 and 316,025.30 is: 436,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,674.11 : 787,530.50 = 316,025.30 : x
  2. Step 2: Convert to fraction form
    570,674.11/787,530.50 = 316,025.30/x
  3. Step 3: Cross multiply
    570,674.11x = 787,530.50 × 316,025.30
  4. Step 4: Simplify right side
    570,674.11x = 248,879,559,665.59
  5. Step 5: Solve for x
    x = 248,879,559,665.59/570,674.11
  6. Step 6: Final answer
    x = 436,115.04

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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.