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Finding the Fourth Proportional to 547,975.76, 822,030.06 and 192,917.12

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Solution

The fourth proportional to 547,975.76, 822,030.06 and 192,917.12 is: 289,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,975.76 : 822,030.06 = 192,917.12 : x
  2. Step 2: Convert to fraction form
    547,975.76/822,030.06 = 192,917.12/x
  3. Step 3: Cross multiply
    547,975.76x = 822,030.06 × 192,917.12
  4. Step 4: Simplify right side
    547,975.76x = 158,583,671,728.63
  5. Step 5: Solve for x
    x = 158,583,671,728.63/547,975.76
  6. Step 6: Final answer
    x = 289,399.06

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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.