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Finding the Fourth Proportional to 615,688.20, 923,532.30 and 335,752.20

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Solution

The fourth proportional to 615,688.20, 923,532.30 and 335,752.20 is: 503,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,688.20 : 923,532.30 = 335,752.20 : x
  2. Step 2: Convert to fraction form
    615,688.20/923,532.30 = 335,752.20/x
  3. Step 3: Cross multiply
    615,688.20x = 923,532.30 × 335,752.20
  4. Step 4: Simplify right side
    615,688.20x = 310,078,001,496.06
  5. Step 5: Solve for x
    x = 310,078,001,496.06/615,688.20
  6. Step 6: Final answer
    x = 503,628.30

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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.