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Finding the Fourth Proportional to 526,813.30, 789,053.55 and 433,501.30

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Solution

The fourth proportional to 526,813.30, 789,053.55 and 433,501.30 is: 649,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,813.30 : 789,053.55 = 433,501.30 : x
  2. Step 2: Convert to fraction form
    526,813.30/789,053.55 = 433,501.30/x
  3. Step 3: Cross multiply
    526,813.30x = 789,053.55 × 433,501.30
  4. Step 4: Simplify right side
    526,813.30x = 342,055,739,694.62
  5. Step 5: Solve for x
    x = 342,055,739,694.62/526,813.30
  6. Step 6: Final answer
    x = 649,292.15

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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.