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Finding the Fourth Proportional to 638,241, 957,525.53 and 238,887.51

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Solution

The fourth proportional to 638,241, 957,525.53 and 238,887.51 is: 358,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,241 : 957,525.53 = 238,887.51 : x
  2. Step 2: Convert to fraction form
    638,241/957,525.53 = 238,887.51/x
  3. Step 3: Cross multiply
    638,241x = 957,525.53 × 238,887.51
  4. Step 4: Simplify right side
    638,241x = 228,740,888,428.69
  5. Step 5: Solve for x
    x = 228,740,888,428.69/638,241
  6. Step 6: Final answer
    x = 358,392.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.