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Finding the Fourth Proportional to 539,070.10, 808,605.15 and 165,093.10

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Solution

The fourth proportional to 539,070.10, 808,605.15 and 165,093.10 is: 247,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,070.10 : 808,605.15 = 165,093.10 : x
  2. Step 2: Convert to fraction form
    539,070.10/808,605.15 = 165,093.10/x
  3. Step 3: Cross multiply
    539,070.10x = 808,605.15 × 165,093.10
  4. Step 4: Simplify right side
    539,070.10x = 133,495,130,889.47
  5. Step 5: Solve for x
    x = 133,495,130,889.47/539,070.10
  6. Step 6: Final answer
    x = 247,639.65

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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.