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Finding the Fourth Proportional to 569,890.54, 790,045.44 and 539,554.42

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Solution

The fourth proportional to 569,890.54, 790,045.44 and 539,554.42 is: 747,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,890.54 : 790,045.44 = 539,554.42 : x
  2. Step 2: Convert to fraction form
    569,890.54/790,045.44 = 539,554.42/x
  3. Step 3: Cross multiply
    569,890.54x = 790,045.44 × 539,554.42
  4. Step 4: Simplify right side
    569,890.54x = 426,272,509,152.85
  5. Step 5: Solve for x
    x = 426,272,509,152.85/569,890.54
  6. Step 6: Final answer
    x = 747,990.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.