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Finding the Fourth Proportional to 343,038.84, 473,394.96 and 192,135.84

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Solution

The fourth proportional to 343,038.84, 473,394.96 and 192,135.84 is: 265,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,038.84 : 473,394.96 = 192,135.84 : x
  2. Step 2: Convert to fraction form
    343,038.84/473,394.96 = 192,135.84/x
  3. Step 3: Cross multiply
    343,038.84x = 473,394.96 × 192,135.84
  4. Step 4: Simplify right side
    343,038.84x = 90,956,138,291.37
  5. Step 5: Solve for x
    x = 90,956,138,291.37/343,038.84
  6. Step 6: Final answer
    x = 265,148.22

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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.