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Finding the Fourth Proportional to 295,343.70, 442,359.45 and 242,855.70

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Solution

The fourth proportional to 295,343.70, 442,359.45 and 242,855.70 is: 363,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,343.70 : 442,359.45 = 242,855.70 : x
  2. Step 2: Convert to fraction form
    295,343.70/442,359.45 = 242,855.70/x
  3. Step 3: Cross multiply
    295,343.70x = 442,359.45 × 242,855.70
  4. Step 4: Simplify right side
    295,343.70x = 107,429,513,881.37
  5. Step 5: Solve for x
    x = 107,429,513,881.37/295,343.70
  6. Step 6: Final answer
    x = 363,744.05

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1.5x scale

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.