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Finding the Fourth Proportional to 250,411.96, 345,459.90 and 165,647.32

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Solution

The fourth proportional to 250,411.96, 345,459.90 and 165,647.32 is: 228,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,411.96 : 345,459.90 = 165,647.32 : x
  2. Step 2: Convert to fraction form
    250,411.96/345,459.90 = 165,647.32/x
  3. Step 3: Cross multiply
    250,411.96x = 345,459.90 × 165,647.32
  4. Step 4: Simplify right side
    250,411.96x = 57,224,506,602.47
  5. Step 5: Solve for x
    x = 57,224,506,602.47/250,411.96
  6. Step 6: Final answer
    x = 228,521.46

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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.