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Finding the Fourth Proportional to 406,297.17, 560,783.40 and 270,336.84

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Solution

The fourth proportional to 406,297.17, 560,783.40 and 270,336.84 is: 373,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,297.17 : 560,783.40 = 270,336.84 : x
  2. Step 2: Convert to fraction form
    406,297.17/560,783.40 = 270,336.84/x
  3. Step 3: Cross multiply
    406,297.17x = 560,783.40 × 270,336.84
  4. Step 4: Simplify right side
    406,297.17x = 151,600,412,280.46
  5. Step 5: Solve for x
    x = 151,600,412,280.46/406,297.17
  6. Step 6: Final answer
    x = 373,126.92

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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.