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Finding the Fourth Proportional to 446,987.62, 616,836.09 and 243,036.91

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Solution

The fourth proportional to 446,987.62, 616,836.09 and 243,036.91 is: 335,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,987.62 : 616,836.09 = 243,036.91 : x
  2. Step 2: Convert to fraction form
    446,987.62/616,836.09 = 243,036.91/x
  3. Step 3: Cross multiply
    446,987.62x = 616,836.09 × 243,036.91
  4. Step 4: Simplify right side
    446,987.62x = 149,913,937,290.08
  5. Step 5: Solve for x
    x = 149,913,937,290.08/446,987.62
  6. Step 6: Final answer
    x = 335,387.22

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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.