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Finding the Fourth Proportional to 472,783.44, 652,457.58 and 257,935.32

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Solution

The fourth proportional to 472,783.44, 652,457.58 and 257,935.32 is: 355,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,783.44 : 652,457.58 = 257,935.32 : x
  2. Step 2: Convert to fraction form
    472,783.44/652,457.58 = 257,935.32/x
  3. Step 3: Cross multiply
    472,783.44x = 652,457.58 × 257,935.32
  4. Step 4: Simplify right side
    472,783.44x = 168,291,854,683.73
  5. Step 5: Solve for x
    x = 168,291,854,683.73/472,783.44
  6. Step 6: Final answer
    x = 355,959.71

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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.