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Finding the Fourth Proportional to 292,108.98, 435,709.21 and 265,200.69

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Solution

The fourth proportional to 292,108.98, 435,709.21 and 265,200.69 is: 395,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,108.98 : 435,709.21 = 265,200.69 : x
  2. Step 2: Convert to fraction form
    292,108.98/435,709.21 = 265,200.69/x
  3. Step 3: Cross multiply
    292,108.98x = 435,709.21 × 265,200.69
  4. Step 4: Simplify right side
    292,108.98x = 115,550,382,468.35
  5. Step 5: Solve for x
    x = 115,550,382,468.35/292,108.98
  6. Step 6: Final answer
    x = 395,572.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.