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Finding the Fourth Proportional to 343,266.30, 514,899.45 and 195,810.30

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Solution

The fourth proportional to 343,266.30, 514,899.45 and 195,810.30 is: 293,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,266.30 : 514,899.45 = 195,810.30 : x
  2. Step 2: Convert to fraction form
    343,266.30/514,899.45 = 195,810.30/x
  3. Step 3: Cross multiply
    343,266.30x = 514,899.45 × 195,810.30
  4. Step 4: Simplify right side
    343,266.30x = 100,822,615,774.34
  5. Step 5: Solve for x
    x = 100,822,615,774.34/343,266.30
  6. Step 6: Final answer
    x = 293,715.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.