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Finding the Fourth Proportional to 343,427.42, 473,931.23 and 190,479.89

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Solution

The fourth proportional to 343,427.42, 473,931.23 and 190,479.89 is: 262,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,427.42 : 473,931.23 = 190,479.89 : x
  2. Step 2: Convert to fraction form
    343,427.42/473,931.23 = 190,479.89/x
  3. Step 3: Cross multiply
    343,427.42x = 473,931.23 × 190,479.89
  4. Step 4: Simplify right side
    343,427.42x = 90,274,365,235.91
  5. Step 5: Solve for x
    x = 90,274,365,235.91/343,427.42
  6. Step 6: Final answer
    x = 262,863.01

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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.