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Finding the Fourth Proportional to 228,579.80, 319,224.40 and 228,579.80

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Solution

The fourth proportional to 228,579.80, 319,224.40 and 228,579.80 is: 319,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,579.80 : 319,224.40 = 228,579.80 : x
  2. Step 2: Convert to fraction form
    228,579.80/319,224.40 = 228,579.80/x
  3. Step 3: Cross multiply
    228,579.80x = 319,224.40 × 228,579.80
  4. Step 4: Simplify right side
    228,579.80x = 72,968,249,507.12
  5. Step 5: Solve for x
    x = 72,968,249,507.12/228,579.80
  6. Step 6: Final answer
    x = 319,224.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.