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Finding the Fourth Proportional to 406,002.40, 607,837.20 and 248,538.40

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Solution

The fourth proportional to 406,002.40, 607,837.20 and 248,538.40 is: 372,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,002.40 : 607,837.20 = 248,538.40 : x
  2. Step 2: Convert to fraction form
    406,002.40/607,837.20 = 248,538.40/x
  3. Step 3: Cross multiply
    406,002.40x = 607,837.20 × 248,538.40
  4. Step 4: Simplify right side
    406,002.40x = 151,070,885,148.48
  5. Step 5: Solve for x
    x = 151,070,885,148.48/406,002.40
  6. Step 6: Final answer
    x = 372,093.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.