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Finding the Fourth Proportional to 493,430.40, 739,713.60 and 335,145.60

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Solution

The fourth proportional to 493,430.40, 739,713.60 and 335,145.60 is: 502,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,430.40 : 739,713.60 = 335,145.60 : x
  2. Step 2: Convert to fraction form
    493,430.40/739,713.60 = 335,145.60/x
  3. Step 3: Cross multiply
    493,430.40x = 739,713.60 × 335,145.60
  4. Step 4: Simplify right side
    493,430.40x = 247,911,758,300.16
  5. Step 5: Solve for x
    x = 247,911,758,300.16/493,430.40
  6. Step 6: Final answer
    x = 502,424.98

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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.