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Finding the Fourth Proportional to 353,444.40, 493,772.40 and 353,444.40

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Solution

The fourth proportional to 353,444.40, 493,772.40 and 353,444.40 is: 493,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,444.40 : 493,772.40 = 353,444.40 : x
  2. Step 2: Convert to fraction form
    353,444.40/493,772.40 = 353,444.40/x
  3. Step 3: Cross multiply
    353,444.40x = 493,772.40 × 353,444.40
  4. Step 4: Simplify right side
    353,444.40x = 174,521,089,654.56
  5. Step 5: Solve for x
    x = 174,521,089,654.56/353,444.40
  6. Step 6: Final answer
    x = 493,772.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.