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Finding the Fourth Proportional to 517,597.59, 714,300.69 and 281,867.22

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Solution

The fourth proportional to 517,597.59, 714,300.69 and 281,867.22 is: 388,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,597.59 : 714,300.69 = 281,867.22 : x
  2. Step 2: Convert to fraction form
    517,597.59/714,300.69 = 281,867.22/x
  3. Step 3: Cross multiply
    517,597.59x = 714,300.69 × 281,867.22
  4. Step 4: Simplify right side
    517,597.59x = 201,337,949,734.38
  5. Step 5: Solve for x
    x = 201,337,949,734.38/517,597.59
  6. Step 6: Final answer
    x = 388,985.49

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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.