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Finding the Fourth Proportional to 507,366.38, 700,127.07 and 281,007.02

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Solution

The fourth proportional to 507,366.38, 700,127.07 and 281,007.02 is: 387,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,366.38 : 700,127.07 = 281,007.02 : x
  2. Step 2: Convert to fraction form
    507,366.38/700,127.07 = 281,007.02/x
  3. Step 3: Cross multiply
    507,366.38x = 700,127.07 × 281,007.02
  4. Step 4: Simplify right side
    507,366.38x = 196,740,621,562.03
  5. Step 5: Solve for x
    x = 196,740,621,562.03/507,366.38
  6. Step 6: Final answer
    x = 387,768.35

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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.