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Finding the Fourth Proportional to 258,869.37, 357,349.95 and 174,035.64

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Solution

The fourth proportional to 258,869.37, 357,349.95 and 174,035.64 is: 240,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,869.37 : 357,349.95 = 174,035.64 : x
  2. Step 2: Convert to fraction form
    258,869.37/357,349.95 = 174,035.64/x
  3. Step 3: Cross multiply
    258,869.37x = 357,349.95 × 174,035.64
  4. Step 4: Simplify right side
    258,869.37x = 62,191,627,252.22
  5. Step 5: Solve for x
    x = 62,191,627,252.22/258,869.37
  6. Step 6: Final answer
    x = 240,243.28

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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.