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Finding the Fourth Proportional to 363,146.10, 501,202.80 and 210,188.40

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Solution

The fourth proportional to 363,146.10, 501,202.80 and 210,188.40 is: 290,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,146.10 : 501,202.80 = 210,188.40 : x
  2. Step 2: Convert to fraction form
    363,146.10/501,202.80 = 210,188.40/x
  3. Step 3: Cross multiply
    363,146.10x = 501,202.80 × 210,188.40
  4. Step 4: Simplify right side
    363,146.10x = 105,347,014,607.52
  5. Step 5: Solve for x
    x = 105,347,014,607.52/363,146.10
  6. Step 6: Final answer
    x = 290,095.40

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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.