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Finding the Fourth Proportional to 504,458.10, 756,730.56 and 144,630.36

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Solution

The fourth proportional to 504,458.10, 756,730.56 and 144,630.36 is: 216,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,458.10 : 756,730.56 = 144,630.36 : x
  2. Step 2: Convert to fraction form
    504,458.10/756,730.56 = 144,630.36/x
  3. Step 3: Cross multiply
    504,458.10x = 756,730.56 × 144,630.36
  4. Step 4: Simplify right side
    504,458.10x = 109,446,213,315.80
  5. Step 5: Solve for x
    x = 109,446,213,315.80/504,458.10
  6. Step 6: Final answer
    x = 216,957.99

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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.