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Finding the Fourth Proportional to 624,900, 936,824.28 and 506,277.12

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Solution

The fourth proportional to 624,900, 936,824.28 and 506,277.12 is: 758,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,900 : 936,824.28 = 506,277.12 : x
  2. Step 2: Convert to fraction form
    624,900/936,824.28 = 506,277.12/x
  3. Step 3: Cross multiply
    624,900x = 936,824.28 × 506,277.12
  4. Step 4: Simplify right side
    624,900x = 474,292,698,424.47
  5. Step 5: Solve for x
    x = 474,292,698,424.47/624,900
  6. Step 6: Final answer
    x = 758,989.76

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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.