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Finding the Fourth Proportional to 270,564.75, 373,378.14 and 155,801.52

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Solution

The fourth proportional to 270,564.75, 373,378.14 and 155,801.52 is: 215,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,564.75 : 373,378.14 = 155,801.52 : x
  2. Step 2: Convert to fraction form
    270,564.75/373,378.14 = 155,801.52/x
  3. Step 3: Cross multiply
    270,564.75x = 373,378.14 × 155,801.52
  4. Step 4: Simplify right side
    270,564.75x = 58,172,881,746.77
  5. Step 5: Solve for x
    x = 58,172,881,746.77/270,564.75
  6. Step 6: Final answer
    x = 215,005.40

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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.