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Finding the Fourth Proportional to 519,886.10, 779,829.15 and 367,670.90

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Solution

The fourth proportional to 519,886.10, 779,829.15 and 367,670.90 is: 551,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,886.10 : 779,829.15 = 367,670.90 : x
  2. Step 2: Convert to fraction form
    519,886.10/779,829.15 = 367,670.90/x
  3. Step 3: Cross multiply
    519,886.10x = 779,829.15 × 367,670.90
  4. Step 4: Simplify right side
    519,886.10x = 286,720,485,426.74
  5. Step 5: Solve for x
    x = 286,720,485,426.74/519,886.10
  6. Step 6: Final answer
    x = 551,506.35

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Double scale
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Similar ratio
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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.