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Finding the Fourth Proportional to 676,602.48, 933,261.24 and 435,190.56

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Solution

The fourth proportional to 676,602.48, 933,261.24 and 435,190.56 is: 600,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,602.48 : 933,261.24 = 435,190.56 : x
  2. Step 2: Convert to fraction form
    676,602.48/933,261.24 = 435,190.56/x
  3. Step 3: Cross multiply
    676,602.48x = 933,261.24 × 435,190.56
  4. Step 4: Simplify right side
    676,602.48x = 406,146,481,661.89
  5. Step 5: Solve for x
    x = 406,146,481,661.89/676,602.48
  6. Step 6: Final answer
    x = 600,273.42

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Double scale
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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.