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Finding the Fourth Proportional to 316,263.70, 474,252.92 and 156,277.26

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Solution

The fourth proportional to 316,263.70, 474,252.92 and 156,277.26 is: 234,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,263.70 : 474,252.92 = 156,277.26 : x
  2. Step 2: Convert to fraction form
    316,263.70/474,252.92 = 156,277.26/x
  3. Step 3: Cross multiply
    316,263.70x = 474,252.92 × 156,277.26
  4. Step 4: Simplify right side
    316,263.70x = 74,114,946,884.60
  5. Step 5: Solve for x
    x = 74,114,946,884.60/316,263.70
  6. Step 6: Final answer
    x = 234,345.41

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1.5x scale

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.