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Finding the Fourth Proportional to 560,019.44, 772,886.03 and 342,355.55

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Solution

The fourth proportional to 560,019.44, 772,886.03 and 342,355.55 is: 472,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,019.44 : 772,886.03 = 342,355.55 : x
  2. Step 2: Convert to fraction form
    560,019.44/772,886.03 = 342,355.55/x
  3. Step 3: Cross multiply
    560,019.44x = 772,886.03 × 342,355.55
  4. Step 4: Simplify right side
    560,019.44x = 264,601,816,311.76
  5. Step 5: Solve for x
    x = 264,601,816,311.76/560,019.44
  6. Step 6: Final answer
    x = 472,486.84

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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.