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Finding the Fourth Proportional to 507,832.56, 700,831.68 and 290,060.16

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Solution

The fourth proportional to 507,832.56, 700,831.68 and 290,060.16 is: 400,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,832.56 : 700,831.68 = 290,060.16 : x
  2. Step 2: Convert to fraction form
    507,832.56/700,831.68 = 290,060.16/x
  3. Step 3: Cross multiply
    507,832.56x = 700,831.68 × 290,060.16
  4. Step 4: Simplify right side
    507,832.56x = 203,283,349,233.87
  5. Step 5: Solve for x
    x = 203,283,349,233.87/507,832.56
  6. Step 6: Final answer
    x = 400,296.01

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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.