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Finding the Fourth Proportional to 343,053, 473,406.08 and 190,089.86

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Solution

The fourth proportional to 343,053, 473,406.08 and 190,089.86 is: 262,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,053 : 473,406.08 = 190,089.86 : x
  2. Step 2: Convert to fraction form
    343,053/473,406.08 = 190,089.86/x
  3. Step 3: Cross multiply
    343,053x = 473,406.08 × 190,089.86
  4. Step 4: Simplify right side
    343,053x = 89,989,692,152.87
  5. Step 5: Solve for x
    x = 89,989,692,152.87/343,053
  6. Step 6: Final answer
    x = 262,320.09

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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.