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Finding the Fourth Proportional to 507,412.16, 700,198.74 and 277,923.68

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Solution

The fourth proportional to 507,412.16, 700,198.74 and 277,923.68 is: 383,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,412.16 : 700,198.74 = 277,923.68 : x
  2. Step 2: Convert to fraction form
    507,412.16/700,198.74 = 277,923.68/x
  3. Step 3: Cross multiply
    507,412.16x = 700,198.74 × 277,923.68
  4. Step 4: Simplify right side
    507,412.16x = 194,601,810,552.16
  5. Step 5: Solve for x
    x = 194,601,810,552.16/507,412.16
  6. Step 6: Final answer
    x = 383,518.22

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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.