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Finding the Fourth Proportional to 358,480.60, 537,072.90 and 208,598.20

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Solution

The fourth proportional to 358,480.60, 537,072.90 and 208,598.20 is: 312,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,480.60 : 537,072.90 = 208,598.20 : x
  2. Step 2: Convert to fraction form
    358,480.60/537,072.90 = 208,598.20/x
  3. Step 3: Cross multiply
    358,480.60x = 537,072.90 × 208,598.20
  4. Step 4: Simplify right side
    358,480.60x = 112,032,440,208.78
  5. Step 5: Solve for x
    x = 112,032,440,208.78/358,480.60
  6. Step 6: Final answer
    x = 312,520.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.