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Finding the Fourth Proportional to 556,596.50, 768,104.60 and 301,947.66

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Solution

The fourth proportional to 556,596.50, 768,104.60 and 301,947.66 is: 416,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,596.50 : 768,104.60 = 301,947.66 : x
  2. Step 2: Convert to fraction form
    556,596.50/768,104.60 = 301,947.66/x
  3. Step 3: Cross multiply
    556,596.50x = 768,104.60 × 301,947.66
  4. Step 4: Simplify right side
    556,596.50x = 231,927,385,095.50
  5. Step 5: Solve for x
    x = 231,927,385,095.50/556,596.50
  6. Step 6: Final answer
    x = 416,688.55

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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.