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Finding the Fourth Proportional to 551,085.82, 760,532.48 and 367,008.76

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Solution

The fourth proportional to 551,085.82, 760,532.48 and 367,008.76 is: 506,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,085.82 : 760,532.48 = 367,008.76 : x
  2. Step 2: Convert to fraction form
    551,085.82/760,532.48 = 367,008.76/x
  3. Step 3: Cross multiply
    551,085.82x = 760,532.48 × 367,008.76
  4. Step 4: Simplify right side
    551,085.82x = 279,122,082,424.53
  5. Step 5: Solve for x
    x = 279,122,082,424.53/551,085.82
  6. Step 6: Final answer
    x = 506,494.76

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.