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Finding the Fourth Proportional to 352,009.40, 528,018.42 and 232,829.24

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Solution

The fourth proportional to 352,009.40, 528,018.42 and 232,829.24 is: 349,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,009.40 : 528,018.42 = 232,829.24 : x
  2. Step 2: Convert to fraction form
    352,009.40/528,018.42 = 232,829.24/x
  3. Step 3: Cross multiply
    352,009.40x = 528,018.42 × 232,829.24
  4. Step 4: Simplify right side
    352,009.40x = 122,938,127,434.60
  5. Step 5: Solve for x
    x = 122,938,127,434.60/352,009.40
  6. Step 6: Final answer
    x = 349,246.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.