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Finding the Fourth Proportional to 366,877.08, 506,295.90 and 213,911.10

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Solution

The fourth proportional to 366,877.08, 506,295.90 and 213,911.10 is: 295,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,877.08 : 506,295.90 = 213,911.10 : x
  2. Step 2: Convert to fraction form
    366,877.08/506,295.90 = 213,911.10/x
  3. Step 3: Cross multiply
    366,877.08x = 506,295.90 × 213,911.10
  4. Step 4: Simplify right side
    366,877.08x = 108,302,312,894.49
  5. Step 5: Solve for x
    x = 108,302,312,894.49/366,877.08
  6. Step 6: Final answer
    x = 295,200.54

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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.