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Finding the Fourth Proportional to 368,361.56, 508,303.32 and 207,272.36

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Solution

The fourth proportional to 368,361.56, 508,303.32 and 207,272.36 is: 286,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,361.56 : 508,303.32 = 207,272.36 : x
  2. Step 2: Convert to fraction form
    368,361.56/508,303.32 = 207,272.36/x
  3. Step 3: Cross multiply
    368,361.56x = 508,303.32 × 207,272.36
  4. Step 4: Simplify right side
    368,361.56x = 105,357,228,732.24
  5. Step 5: Solve for x
    x = 105,357,228,732.24/368,361.56
  6. Step 6: Final answer
    x = 286,015.81

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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.