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Finding the Fourth Proportional to 573,742.74, 791,931.72 and 382,755.66

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Solution

The fourth proportional to 573,742.74, 791,931.72 and 382,755.66 is: 528,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,742.74 : 791,931.72 = 382,755.66 : x
  2. Step 2: Convert to fraction form
    573,742.74/791,931.72 = 382,755.66/x
  3. Step 3: Cross multiply
    573,742.74x = 791,931.72 × 382,755.66
  4. Step 4: Simplify right side
    573,742.74x = 303,116,348,163.54
  5. Step 5: Solve for x
    x = 303,116,348,163.54/573,742.74
  6. Step 6: Final answer
    x = 528,314.05

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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.