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Finding the Fourth Proportional to 637,194.44, 879,328.54 and 350,712.48

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Solution

The fourth proportional to 637,194.44, 879,328.54 and 350,712.48 is: 483,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,194.44 : 879,328.54 = 350,712.48 : x
  2. Step 2: Convert to fraction form
    637,194.44/879,328.54 = 350,712.48/x
  3. Step 3: Cross multiply
    637,194.44x = 879,328.54 × 350,712.48
  4. Step 4: Simplify right side
    637,194.44x = 308,391,492,998.18
  5. Step 5: Solve for x
    x = 308,391,492,998.18/637,194.44
  6. Step 6: Final answer
    x = 483,983.34

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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.