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Finding the Fourth Proportional to 519,888.60, 779,832.90 and 367,673.40

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Solution

The fourth proportional to 519,888.60, 779,832.90 and 367,673.40 is: 551,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,888.60 : 779,832.90 = 367,673.40 : x
  2. Step 2: Convert to fraction form
    519,888.60/779,832.90 = 367,673.40/x
  3. Step 3: Cross multiply
    519,888.60x = 779,832.90 × 367,673.40
  4. Step 4: Simplify right side
    519,888.60x = 286,723,813,774.86
  5. Step 5: Solve for x
    x = 286,723,813,774.86/519,888.60
  6. Step 6: Final answer
    x = 551,510.10

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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.