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Finding the Fourth Proportional to 315,344.02, 473,019.54 and 104,981.62

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Solution

The fourth proportional to 315,344.02, 473,019.54 and 104,981.62 is: 157,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,344.02 : 473,019.54 = 104,981.62 : x
  2. Step 2: Convert to fraction form
    315,344.02/473,019.54 = 104,981.62/x
  3. Step 3: Cross multiply
    315,344.02x = 473,019.54 × 104,981.62
  4. Step 4: Simplify right side
    315,344.02x = 49,658,357,600.85
  5. Step 5: Solve for x
    x = 49,658,357,600.85/315,344.02
  6. Step 6: Final answer
    x = 157,473.60

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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.