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Finding the Fourth Proportional to 613,307.45, 846,364.32 and 341,369.49

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Solution

The fourth proportional to 613,307.45, 846,364.32 and 341,369.49 is: 471,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,307.45 : 846,364.32 = 341,369.49 : x
  2. Step 2: Convert to fraction form
    613,307.45/846,364.32 = 341,369.49/x
  3. Step 3: Cross multiply
    613,307.45x = 846,364.32 × 341,369.49
  4. Step 4: Simplify right side
    613,307.45x = 288,922,952,040.78
  5. Step 5: Solve for x
    x = 288,922,952,040.78/613,307.45
  6. Step 6: Final answer
    x = 471,089.91

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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.