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Finding the Fourth Proportional to 613,578.48, 846,795.48 and 358,913.52

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Solution

The fourth proportional to 613,578.48, 846,795.48 and 358,913.52 is: 495,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,578.48 : 846,795.48 = 358,913.52 : x
  2. Step 2: Convert to fraction form
    613,578.48/846,795.48 = 358,913.52/x
  3. Step 3: Cross multiply
    613,578.48x = 846,795.48 × 358,913.52
  4. Step 4: Simplify right side
    613,578.48x = 303,926,346,446.89
  5. Step 5: Solve for x
    x = 303,926,346,446.89/613,578.48
  6. Step 6: Final answer
    x = 495,334.10

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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.