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Finding the Fourth Proportional to 515,602.06, 773,403.09 and 160,644.76

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Solution

The fourth proportional to 515,602.06, 773,403.09 and 160,644.76 is: 240,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,602.06 : 773,403.09 = 160,644.76 : x
  2. Step 2: Convert to fraction form
    515,602.06/773,403.09 = 160,644.76/x
  3. Step 3: Cross multiply
    515,602.06x = 773,403.09 × 160,644.76
  4. Step 4: Simplify right side
    515,602.06x = 124,243,153,776.31
  5. Step 5: Solve for x
    x = 124,243,153,776.31/515,602.06
  6. Step 6: Final answer
    x = 240,967.14

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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.