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Finding the Fourth Proportional to 434,256.44, 654,342.85 and 357,099.08

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Solution

The fourth proportional to 434,256.44, 654,342.85 and 357,099.08 is: 538,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,256.44 : 654,342.85 = 357,099.08 : x
  2. Step 2: Convert to fraction form
    434,256.44/654,342.85 = 357,099.08/x
  3. Step 3: Cross multiply
    434,256.44x = 654,342.85 × 357,099.08
  4. Step 4: Simplify right side
    434,256.44x = 233,665,226,914.24
  5. Step 5: Solve for x
    x = 233,665,226,914.24/434,256.44
  6. Step 6: Final answer
    x = 538,081.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.