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Finding the Fourth Proportional to 343,461.92, 473,970.36 and 190,475.44

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Solution

The fourth proportional to 343,461.92, 473,970.36 and 190,475.44 is: 262,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,461.92 : 473,970.36 = 190,475.44 : x
  2. Step 2: Convert to fraction form
    343,461.92/473,970.36 = 190,475.44/x
  3. Step 3: Cross multiply
    343,461.92x = 473,970.36 × 190,475.44
  4. Step 4: Simplify right side
    343,461.92x = 90,279,712,867.96
  5. Step 5: Solve for x
    x = 90,279,712,867.96/343,461.92
  6. Step 6: Final answer
    x = 262,852.18

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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.