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Finding the Fourth Proportional to 494,493.02, 742,345.04 and 326,154.14

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Solution

The fourth proportional to 494,493.02, 742,345.04 and 326,154.14 is: 489,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,493.02 : 742,345.04 = 326,154.14 : x
  2. Step 2: Convert to fraction form
    494,493.02/742,345.04 = 326,154.14/x
  3. Step 3: Cross multiply
    494,493.02x = 742,345.04 × 326,154.14
  4. Step 4: Simplify right side
    494,493.02x = 242,118,908,104.47
  5. Step 5: Solve for x
    x = 242,118,908,104.47/494,493.02
  6. Step 6: Final answer
    x = 489,630.59

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1.5x scale

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.