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Finding the Fourth Proportional to 333,013.20, 499,228.20 and 199,946.40

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Solution

The fourth proportional to 333,013.20, 499,228.20 and 199,946.40 is: 299,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,013.20 : 499,228.20 = 199,946.40 : x
  2. Step 2: Convert to fraction form
    333,013.20/499,228.20 = 199,946.40/x
  3. Step 3: Cross multiply
    333,013.20x = 499,228.20 × 199,946.40
  4. Step 4: Simplify right side
    333,013.20x = 99,818,881,368.48
  5. Step 5: Solve for x
    x = 99,818,881,368.48/333,013.20
  6. Step 6: Final answer
    x = 299,744.52

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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.