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Finding the Fourth Proportional to 613,531.26, 846,663.03 and 358,925.58

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Solution

The fourth proportional to 613,531.26, 846,663.03 and 358,925.58 is: 495,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,531.26 : 846,663.03 = 358,925.58 : x
  2. Step 2: Convert to fraction form
    613,531.26/846,663.03 = 358,925.58/x
  3. Step 3: Cross multiply
    613,531.26x = 846,663.03 × 358,925.58
  4. Step 4: Simplify right side
    613,531.26x = 303,889,019,107.31
  5. Step 5: Solve for x
    x = 303,889,019,107.31/613,531.26
  6. Step 6: Final answer
    x = 495,311.39

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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.