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Finding the Fourth Proportional to 616,349.72, 850,824.57 and 374,709.45

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Solution

The fourth proportional to 616,349.72, 850,824.57 and 374,709.45 is: 517,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,349.72 : 850,824.57 = 374,709.45 : x
  2. Step 2: Convert to fraction form
    616,349.72/850,824.57 = 374,709.45/x
  3. Step 3: Cross multiply
    616,349.72x = 850,824.57 × 374,709.45
  4. Step 4: Simplify right side
    616,349.72x = 318,812,006,671.19
  5. Step 5: Solve for x
    x = 318,812,006,671.19/616,349.72
  6. Step 6: Final answer
    x = 517,258.30

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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.