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Finding the Fourth Proportional to 651,553.12, 899,118.12 and 365,058.82

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Solution

The fourth proportional to 651,553.12, 899,118.12 and 365,058.82 is: 503,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,553.12 : 899,118.12 = 365,058.82 : x
  2. Step 2: Convert to fraction form
    651,553.12/899,118.12 = 365,058.82/x
  3. Step 3: Cross multiply
    651,553.12x = 899,118.12 × 365,058.82
  4. Step 4: Simplify right side
    651,553.12x = 328,230,999,927.82
  5. Step 5: Solve for x
    x = 328,230,999,927.82/651,553.12
  6. Step 6: Final answer
    x = 503,767.06

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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.