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Finding the Fourth Proportional to 484,363.08, 668,240.55 and 303,006.15

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Solution

The fourth proportional to 484,363.08, 668,240.55 and 303,006.15 is: 418,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,363.08 : 668,240.55 = 303,006.15 : x
  2. Step 2: Convert to fraction form
    484,363.08/668,240.55 = 303,006.15/x
  3. Step 3: Cross multiply
    484,363.08x = 668,240.55 × 303,006.15
  4. Step 4: Simplify right side
    484,363.08x = 202,480,996,329.38
  5. Step 5: Solve for x
    x = 202,480,996,329.38/484,363.08
  6. Step 6: Final answer
    x = 418,035.57

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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.