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Finding the Fourth Proportional to 425,708.22, 587,466.36 and 234,718.32

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Solution

The fourth proportional to 425,708.22, 587,466.36 and 234,718.32 is: 323,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,708.22 : 587,466.36 = 234,718.32 : x
  2. Step 2: Convert to fraction form
    425,708.22/587,466.36 = 234,718.32/x
  3. Step 3: Cross multiply
    425,708.22x = 587,466.36 × 234,718.32
  4. Step 4: Simplify right side
    425,708.22x = 137,889,117,075.72
  5. Step 5: Solve for x
    x = 137,889,117,075.72/425,708.22
  6. Step 6: Final answer
    x = 323,905.23

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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.