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Finding the Fourth Proportional to 343,280.72, 473,776.43 and 190,352.92

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Solution

The fourth proportional to 343,280.72, 473,776.43 and 190,352.92 is: 262,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,280.72 : 473,776.43 = 190,352.92 : x
  2. Step 2: Convert to fraction form
    343,280.72/473,776.43 = 190,352.92/x
  3. Step 3: Cross multiply
    343,280.72x = 473,776.43 × 190,352.92
  4. Step 4: Simplify right side
    343,280.72x = 90,184,726,877.68
  5. Step 5: Solve for x
    x = 90,184,726,877.68/343,280.72
  6. Step 6: Final answer
    x = 262,714.22

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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.