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Finding the Fourth Proportional to 316,737.82, 437,105.23 and 180,769.06

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Solution

The fourth proportional to 316,737.82, 437,105.23 and 180,769.06 is: 249,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,737.82 : 437,105.23 = 180,769.06 : x
  2. Step 2: Convert to fraction form
    316,737.82/437,105.23 = 180,769.06/x
  3. Step 3: Cross multiply
    316,737.82x = 437,105.23 × 180,769.06
  4. Step 4: Simplify right side
    316,737.82x = 79,015,101,548.18
  5. Step 5: Solve for x
    x = 79,015,101,548.18/316,737.82
  6. Step 6: Final answer
    x = 249,465.32

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1.5x scale

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.