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Finding the Fourth Proportional to 613,307.70, 846,364.67 and 341,369.74

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Solution

The fourth proportional to 613,307.70, 846,364.67 and 341,369.74 is: 471,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,307.70 : 846,364.67 = 341,369.74 : x
  2. Step 2: Convert to fraction form
    613,307.70/846,364.67 = 341,369.74/x
  3. Step 3: Cross multiply
    613,307.70x = 846,364.67 × 341,369.74
  4. Step 4: Simplify right side
    613,307.70x = 288,923,287,343.09
  5. Step 5: Solve for x
    x = 288,923,287,343.09/613,307.70
  6. Step 6: Final answer
    x = 471,090.27

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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.