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Finding the Fourth Proportional to 306,777.90, 460,166.85 and 228,045.90

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Solution

The fourth proportional to 306,777.90, 460,166.85 and 228,045.90 is: 342,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,777.90 : 460,166.85 = 228,045.90 : x
  2. Step 2: Convert to fraction form
    306,777.90/460,166.85 = 228,045.90/x
  3. Step 3: Cross multiply
    306,777.90x = 460,166.85 × 228,045.90
  4. Step 4: Simplify right side
    306,777.90x = 104,939,163,458.42
  5. Step 5: Solve for x
    x = 104,939,163,458.42/306,777.90
  6. Step 6: Final answer
    x = 342,068.85

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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.