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Finding the Fourth Proportional to 652,238.90, 978,358.35 and 604,999.70

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Solution

The fourth proportional to 652,238.90, 978,358.35 and 604,999.70 is: 907,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,238.90 : 978,358.35 = 604,999.70 : x
  2. Step 2: Convert to fraction form
    652,238.90/978,358.35 = 604,999.70/x
  3. Step 3: Cross multiply
    652,238.90x = 978,358.35 × 604,999.70
  4. Step 4: Simplify right side
    652,238.90x = 591,906,508,242.50
  5. Step 5: Solve for x
    x = 591,906,508,242.50/652,238.90
  6. Step 6: Final answer
    x = 907,499.55

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Similar ratio
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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.