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Finding the Fourth Proportional to 514,233.60, 709,406.80 and 333,003.90

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Solution

The fourth proportional to 514,233.60, 709,406.80 and 333,003.90 is: 459,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,233.60 : 709,406.80 = 333,003.90 : x
  2. Step 2: Convert to fraction form
    514,233.60/709,406.80 = 333,003.90/x
  3. Step 3: Cross multiply
    514,233.60x = 709,406.80 × 333,003.90
  4. Step 4: Simplify right side
    514,233.60x = 236,235,227,457.98
  5. Step 5: Solve for x
    x = 236,235,227,457.98/514,233.60
  6. Step 6: Final answer
    x = 459,392.83

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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.