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Finding the Fourth Proportional to 617,000.20, 924,809.10 and 350,888.20

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Solution

The fourth proportional to 617,000.20, 924,809.10 and 350,888.20 is: 525,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,000.20 : 924,809.10 = 350,888.20 : x
  2. Step 2: Convert to fraction form
    617,000.20/924,809.10 = 350,888.20/x
  3. Step 3: Cross multiply
    617,000.20x = 924,809.10 × 350,888.20
  4. Step 4: Simplify right side
    617,000.20x = 324,504,600,442.62
  5. Step 5: Solve for x
    x = 324,504,600,442.62/617,000.20
  6. Step 6: Final answer
    x = 525,939.21

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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.