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Finding the Fourth Proportional to 425,973.64, 587,840.34 and 234,995.08

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Solution

The fourth proportional to 425,973.64, 587,840.34 and 234,995.08 is: 324,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,973.64 : 587,840.34 = 234,995.08 : x
  2. Step 2: Convert to fraction form
    425,973.64/587,840.34 = 234,995.08/x
  3. Step 3: Cross multiply
    425,973.64x = 587,840.34 × 234,995.08
  4. Step 4: Simplify right side
    425,973.64x = 138,139,587,725.53
  5. Step 5: Solve for x
    x = 138,139,587,725.53/425,973.64
  6. Step 6: Final answer
    x = 324,291.40

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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.