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Finding the Fourth Proportional to 606,927.90, 910,391.85 and 382,541.70

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Solution

The fourth proportional to 606,927.90, 910,391.85 and 382,541.70 is: 573,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,927.90 : 910,391.85 = 382,541.70 : x
  2. Step 2: Convert to fraction form
    606,927.90/910,391.85 = 382,541.70/x
  3. Step 3: Cross multiply
    606,927.90x = 910,391.85 × 382,541.70
  4. Step 4: Simplify right side
    606,927.90x = 348,262,845,965.15
  5. Step 5: Solve for x
    x = 348,262,845,965.15/606,927.90
  6. Step 6: Final answer
    x = 573,812.55

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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.