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Finding the Fourth Proportional to 652,234.90, 978,352.35 and 604,995.70

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Solution

The fourth proportional to 652,234.90, 978,352.35 and 604,995.70 is: 907,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,234.90 : 978,352.35 = 604,995.70 : x
  2. Step 2: Convert to fraction form
    652,234.90/978,352.35 = 604,995.70/x
  3. Step 3: Cross multiply
    652,234.90x = 978,352.35 × 604,995.70
  4. Step 4: Simplify right side
    652,234.90x = 591,898,964,834.90
  5. Step 5: Solve for x
    x = 591,898,964,834.90/652,234.90
  6. Step 6: Final answer
    x = 907,493.55

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Double scale
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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.