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Finding the Fourth Proportional to 425,478.89, 587,159.69 and 234,492.23

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Solution

The fourth proportional to 425,478.89, 587,159.69 and 234,492.23 is: 323,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,478.89 : 587,159.69 = 234,492.23 : x
  2. Step 2: Convert to fraction form
    425,478.89/587,159.69 = 234,492.23/x
  3. Step 3: Cross multiply
    425,478.89x = 587,159.69 × 234,492.23
  4. Step 4: Simplify right side
    425,478.89x = 137,684,385,369.65
  5. Step 5: Solve for x
    x = 137,684,385,369.65/425,478.89
  6. Step 6: Final answer
    x = 323,598.63

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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.