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Finding the Fourth Proportional to 434,483.09, 599,553.60 and 243,459.57

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Solution

The fourth proportional to 434,483.09, 599,553.60 and 243,459.57 is: 335,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,483.09 : 599,553.60 = 243,459.57 : x
  2. Step 2: Convert to fraction form
    434,483.09/599,553.60 = 243,459.57/x
  3. Step 3: Cross multiply
    434,483.09x = 599,553.60 × 243,459.57
  4. Step 4: Simplify right side
    434,483.09x = 145,967,062,983.31
  5. Step 5: Solve for x
    x = 145,967,062,983.31/434,483.09
  6. Step 6: Final answer
    x = 335,955.68

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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.