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Finding the Fourth Proportional to 343,408.34, 473,927.40 and 190,460.49

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Solution

The fourth proportional to 343,408.34, 473,927.40 and 190,460.49 is: 262,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,408.34 : 473,927.40 = 190,460.49 : x
  2. Step 2: Convert to fraction form
    343,408.34/473,927.40 = 190,460.49/x
  3. Step 3: Cross multiply
    343,408.34x = 473,927.40 × 190,460.49
  4. Step 4: Simplify right side
    343,408.34x = 90,264,444,828.43
  5. Step 5: Solve for x
    x = 90,264,444,828.43/343,408.34
  6. Step 6: Final answer
    x = 262,848.73

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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.