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Finding the Fourth Proportional to 651,625.20, 980,062.20 and 583,390.80

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Solution

The fourth proportional to 651,625.20, 980,062.20 and 583,390.80 is: 877,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,625.20 : 980,062.20 = 583,390.80 : x
  2. Step 2: Convert to fraction form
    651,625.20/980,062.20 = 583,390.80/x
  3. Step 3: Cross multiply
    651,625.20x = 980,062.20 × 583,390.80
  4. Step 4: Simplify right side
    651,625.20x = 571,759,270,907.76
  5. Step 5: Solve for x
    x = 571,759,270,907.76/651,625.20
  6. Step 6: Final answer
    x = 877,435.79

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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.