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Finding the Fourth Proportional to 613,472.94, 846,532.35 and 358,774.38

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Solution

The fourth proportional to 613,472.94, 846,532.35 and 358,774.38 is: 495,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,472.94 : 846,532.35 = 358,774.38 : x
  2. Step 2: Convert to fraction form
    613,472.94/846,532.35 = 358,774.38/x
  3. Step 3: Cross multiply
    613,472.94x = 846,532.35 × 358,774.38
  4. Step 4: Simplify right side
    613,472.94x = 303,714,119,021.19
  5. Step 5: Solve for x
    x = 303,714,119,021.19/613,472.94
  6. Step 6: Final answer
    x = 495,073.38

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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.