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Finding the Fourth Proportional to 507,964.20, 760,918.14 and 241,981.80

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Solution

The fourth proportional to 507,964.20, 760,918.14 and 241,981.80 is: 362,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,964.20 : 760,918.14 = 241,981.80 : x
  2. Step 2: Convert to fraction form
    507,964.20/760,918.14 = 241,981.80/x
  3. Step 3: Cross multiply
    507,964.20x = 760,918.14 × 241,981.80
  4. Step 4: Simplify right side
    507,964.20x = 184,128,341,169.85
  5. Step 5: Solve for x
    x = 184,128,341,169.85/507,964.20
  6. Step 6: Final answer
    x = 362,482.91

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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.