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Finding the Fourth Proportional to 565,729.68, 843,265.18 and 520,328.82

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Solution

The fourth proportional to 565,729.68, 843,265.18 and 520,328.82 is: 775,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,729.68 : 843,265.18 = 520,328.82 : x
  2. Step 2: Convert to fraction form
    565,729.68/843,265.18 = 520,328.82/x
  3. Step 3: Cross multiply
    565,729.68x = 843,265.18 × 520,328.82
  4. Step 4: Simplify right side
    565,729.68x = 438,775,176,056.49
  5. Step 5: Solve for x
    x = 438,775,176,056.49/565,729.68
  6. Step 6: Final answer
    x = 775,591.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.