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Finding the Fourth Proportional to 457,078.84, 685,877.50 and 246,712.12

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Solution

The fourth proportional to 457,078.84, 685,877.50 and 246,712.12 is: 370,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,078.84 : 685,877.50 = 246,712.12 : x
  2. Step 2: Convert to fraction form
    457,078.84/685,877.50 = 246,712.12/x
  3. Step 3: Cross multiply
    457,078.84x = 685,877.50 × 246,712.12
  4. Step 4: Simplify right side
    457,078.84x = 169,214,292,085.30
  5. Step 5: Solve for x
    x = 169,214,292,085.30/457,078.84
  6. Step 6: Final answer
    x = 370,208.11

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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.