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Finding the Fourth Proportional to 599,515.40, 899,129.10 and 346,248.20

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Solution

The fourth proportional to 599,515.40, 899,129.10 and 346,248.20 is: 519,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,515.40 : 899,129.10 = 346,248.20 : x
  2. Step 2: Convert to fraction form
    599,515.40/899,129.10 = 346,248.20/x
  3. Step 3: Cross multiply
    599,515.40x = 899,129.10 × 346,248.20
  4. Step 4: Simplify right side
    599,515.40x = 311,321,832,442.62
  5. Step 5: Solve for x
    x = 311,321,832,442.62/599,515.40
  6. Step 6: Final answer
    x = 519,289.13

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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.