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Finding the Fourth Proportional to 343,357.89, 473,834.91 and 190,406.88

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Solution

The fourth proportional to 343,357.89, 473,834.91 and 190,406.88 is: 262,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,357.89 : 473,834.91 = 190,406.88 : x
  2. Step 2: Convert to fraction form
    343,357.89/473,834.91 = 190,406.88/x
  3. Step 3: Cross multiply
    343,357.89x = 473,834.91 × 190,406.88
  4. Step 4: Simplify right side
    343,357.89x = 90,221,426,848.18
  5. Step 5: Solve for x
    x = 90,221,426,848.18/343,357.89
  6. Step 6: Final answer
    x = 262,762.06

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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.