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Finding the Fourth Proportional to 617,588.39, 925,740.32 and 238,769.30

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Solution

The fourth proportional to 617,588.39, 925,740.32 and 238,769.30 is: 357,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,588.39 : 925,740.32 = 238,769.30 : x
  2. Step 2: Convert to fraction form
    617,588.39/925,740.32 = 238,769.30/x
  3. Step 3: Cross multiply
    617,588.39x = 925,740.32 × 238,769.30
  4. Step 4: Simplify right side
    617,588.39x = 221,038,369,308.68
  5. Step 5: Solve for x
    x = 221,038,369,308.68/617,588.39
  6. Step 6: Final answer
    x = 357,905.64

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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.