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Finding the Fourth Proportional to 343,336.06, 473,801.43 and 190,374.20

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Solution

The fourth proportional to 343,336.06, 473,801.43 and 190,374.20 is: 262,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,336.06 : 473,801.43 = 190,374.20 : x
  2. Step 2: Convert to fraction form
    343,336.06/473,801.43 = 190,374.20/x
  3. Step 3: Cross multiply
    343,336.06x = 473,801.43 × 190,374.20
  4. Step 4: Simplify right side
    343,336.06x = 90,199,569,379.61
  5. Step 5: Solve for x
    x = 90,199,569,379.61/343,336.06
  6. Step 6: Final answer
    x = 262,715.11

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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.