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Finding the Fourth Proportional to 507,042.10, 700,192.24 and 326,068.30

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Solution

The fourth proportional to 507,042.10, 700,192.24 and 326,068.30 is: 450,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,042.10 : 700,192.24 = 326,068.30 : x
  2. Step 2: Convert to fraction form
    507,042.10/700,192.24 = 326,068.30/x
  3. Step 3: Cross multiply
    507,042.10x = 700,192.24 × 326,068.30
  4. Step 4: Simplify right side
    507,042.10x = 228,310,493,369.99
  5. Step 5: Solve for x
    x = 228,310,493,369.99/507,042.10
  6. Step 6: Final answer
    x = 450,279.16

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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.