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Finding the Fourth Proportional to 383,097.68, 528,674.80 and 222,046.16

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Solution

The fourth proportional to 383,097.68, 528,674.80 and 222,046.16 is: 306,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,097.68 : 528,674.80 = 222,046.16 : x
  2. Step 2: Convert to fraction form
    383,097.68/528,674.80 = 222,046.16/x
  3. Step 3: Cross multiply
    383,097.68x = 528,674.80 × 222,046.16
  4. Step 4: Simplify right side
    383,097.68x = 117,390,209,228.77
  5. Step 5: Solve for x
    x = 117,390,209,228.77/383,097.68
  6. Step 6: Final answer
    x = 306,423.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.