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Finding the Fourth Proportional to 343,832.40, 514,764.45 and 304,466.40

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Solution

The fourth proportional to 343,832.40, 514,764.45 and 304,466.40 is: 455,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,832.40 : 514,764.45 = 304,466.40 : x
  2. Step 2: Convert to fraction form
    343,832.40/514,764.45 = 304,466.40/x
  3. Step 3: Cross multiply
    343,832.40x = 514,764.45 × 304,466.40
  4. Step 4: Simplify right side
    343,832.40x = 156,728,478,939.48
  5. Step 5: Solve for x
    x = 156,728,478,939.48/343,832.40
  6. Step 6: Final answer
    x = 455,828.13

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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.