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Finding the Fourth Proportional to 435,712.68, 601,271.49 and 242,115.39

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Solution

The fourth proportional to 435,712.68, 601,271.49 and 242,115.39 is: 334,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,712.68 : 601,271.49 = 242,115.39 : x
  2. Step 2: Convert to fraction form
    435,712.68/601,271.49 = 242,115.39/x
  3. Step 3: Cross multiply
    435,712.68x = 601,271.49 × 242,115.39
  4. Step 4: Simplify right side
    435,712.68x = 145,577,081,297.23
  5. Step 5: Solve for x
    x = 145,577,081,297.23/435,712.68
  6. Step 6: Final answer
    x = 334,112.57

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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.