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Finding the Fourth Proportional to 343,316.10, 514,974.15 and 325,820.10

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Solution

The fourth proportional to 343,316.10, 514,974.15 and 325,820.10 is: 488,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,316.10 : 514,974.15 = 325,820.10 : x
  2. Step 2: Convert to fraction form
    343,316.10/514,974.15 = 325,820.10/x
  3. Step 3: Cross multiply
    343,316.10x = 514,974.15 × 325,820.10
  4. Step 4: Simplify right side
    343,316.10x = 167,788,929,050.42
  5. Step 5: Solve for x
    x = 167,788,929,050.42/343,316.10
  6. Step 6: Final answer
    x = 488,730.15

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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.