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Finding the Fourth Proportional to 446,785.65, 616,568.31 and 242,837.03

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Solution

The fourth proportional to 446,785.65, 616,568.31 and 242,837.03 is: 335,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,785.65 : 616,568.31 = 242,837.03 : x
  2. Step 2: Convert to fraction form
    446,785.65/616,568.31 = 242,837.03/x
  3. Step 3: Cross multiply
    446,785.65x = 616,568.31 × 242,837.03
  4. Step 4: Simplify right side
    446,785.65x = 149,725,616,421.81
  5. Step 5: Solve for x
    x = 149,725,616,421.81/446,785.65
  6. Step 6: Final answer
    x = 335,117.34

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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.