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Finding the Fourth Proportional to 439,005.60, 605,827.20 and 237,801.60

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Solution

The fourth proportional to 439,005.60, 605,827.20 and 237,801.60 is: 328,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,005.60 : 605,827.20 = 237,801.60 : x
  2. Step 2: Convert to fraction form
    439,005.60/605,827.20 = 237,801.60/x
  3. Step 3: Cross multiply
    439,005.60x = 605,827.20 × 237,801.60
  4. Step 4: Simplify right side
    439,005.60x = 144,066,677,483.52
  5. Step 5: Solve for x
    x = 144,066,677,483.52/439,005.60
  6. Step 6: Final answer
    x = 328,165.92

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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.