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Finding the Fourth Proportional to 384,260.28, 530,277.14 and 223,154.94

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Solution

The fourth proportional to 384,260.28, 530,277.14 and 223,154.94 is: 307,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,260.28 : 530,277.14 = 223,154.94 : x
  2. Step 2: Convert to fraction form
    384,260.28/530,277.14 = 223,154.94/x
  3. Step 3: Cross multiply
    384,260.28x = 530,277.14 × 223,154.94
  4. Step 4: Simplify right side
    384,260.28x = 118,333,963,360.07
  5. Step 5: Solve for x
    x = 118,333,963,360.07/384,260.28
  6. Step 6: Final answer
    x = 307,952.63

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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.