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Finding the Fourth Proportional to 475,291.80, 655,900.74 and 260,445.24

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Solution

The fourth proportional to 475,291.80, 655,900.74 and 260,445.24 is: 359,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,291.80 : 655,900.74 = 260,445.24 : x
  2. Step 2: Convert to fraction form
    475,291.80/655,900.74 = 260,445.24/x
  3. Step 3: Cross multiply
    475,291.80x = 655,900.74 × 260,445.24
  4. Step 4: Simplify right side
    475,291.80x = 170,826,225,645.48
  5. Step 5: Solve for x
    x = 170,826,225,645.48/475,291.80
  6. Step 6: Final answer
    x = 359,413.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.