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Finding the Fourth Proportional to 613,562.64, 846,706.33 and 358,956.96

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Solution

The fourth proportional to 613,562.64, 846,706.33 and 358,956.96 is: 495,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,562.64 : 846,706.33 = 358,956.96 : x
  2. Step 2: Convert to fraction form
    613,562.64/846,706.33 = 358,956.96/x
  3. Step 3: Cross multiply
    613,562.64x = 846,706.33 × 358,956.96
  4. Step 4: Simplify right side
    613,562.64x = 303,931,124,201.24
  5. Step 5: Solve for x
    x = 303,931,124,201.24/613,562.64
  6. Step 6: Final answer
    x = 495,354.68

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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.