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Finding the Fourth Proportional to 343,283.19, 473,758.87 and 190,369.34

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Solution

The fourth proportional to 343,283.19, 473,758.87 and 190,369.34 is: 262,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,283.19 : 473,758.87 = 190,369.34 : x
  2. Step 2: Convert to fraction form
    343,283.19/473,758.87 = 190,369.34/x
  3. Step 3: Cross multiply
    343,283.19x = 473,758.87 × 190,369.34
  4. Step 4: Simplify right side
    343,283.19x = 90,189,160,080.40
  5. Step 5: Solve for x
    x = 90,189,160,080.40/343,283.19
  6. Step 6: Final answer
    x = 262,725.25

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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.