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Finding the Fourth Proportional to 600,751.60, 900,908.70 and 201,405.40

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Solution

The fourth proportional to 600,751.60, 900,908.70 and 201,405.40 is: 302,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,751.60 : 900,908.70 = 201,405.40 : x
  2. Step 2: Convert to fraction form
    600,751.60/900,908.70 = 201,405.40/x
  3. Step 3: Cross multiply
    600,751.60x = 900,908.70 × 201,405.40
  4. Step 4: Simplify right side
    600,751.60x = 181,447,877,086.98
  5. Step 5: Solve for x
    x = 181,447,877,086.98/600,751.60
  6. Step 6: Final answer
    x = 302,034.78

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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.