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Finding the Fourth Proportional to 560,700.55, 773,766.84 and 306,051.76

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Solution

The fourth proportional to 560,700.55, 773,766.84 and 306,051.76 is: 422,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,700.55 : 773,766.84 = 306,051.76 : x
  2. Step 2: Convert to fraction form
    560,700.55/773,766.84 = 306,051.76/x
  3. Step 3: Cross multiply
    560,700.55x = 773,766.84 × 306,051.76
  4. Step 4: Simplify right side
    560,700.55x = 236,812,703,211.64
  5. Step 5: Solve for x
    x = 236,812,703,211.64/560,700.55
  6. Step 6: Final answer
    x = 422,351.47

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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.