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Finding the Fourth Proportional to 294,534.07, 441,801.10 and 72,918.07

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Solution

The fourth proportional to 294,534.07, 441,801.10 and 72,918.07 is: 109,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,534.07 : 441,801.10 = 72,918.07 : x
  2. Step 2: Convert to fraction form
    294,534.07/441,801.10 = 72,918.07/x
  3. Step 3: Cross multiply
    294,534.07x = 441,801.10 × 72,918.07
  4. Step 4: Simplify right side
    294,534.07x = 32,215,280,962.28
  5. Step 5: Solve for x
    x = 32,215,280,962.28/294,534.07
  6. Step 6: Final answer
    x = 109,377.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.