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Finding the Fourth Proportional to 510,360.08, 765,650.82 and 155,364.92

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Solution

The fourth proportional to 510,360.08, 765,650.82 and 155,364.92 is: 233,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,360.08 : 765,650.82 = 155,364.92 : x
  2. Step 2: Convert to fraction form
    510,360.08/765,650.82 = 155,364.92/x
  3. Step 3: Cross multiply
    510,360.08x = 765,650.82 × 155,364.92
  4. Step 4: Simplify right side
    510,360.08x = 118,955,278,397.23
  5. Step 5: Solve for x
    x = 118,955,278,397.23/510,360.08
  6. Step 6: Final answer
    x = 233,081.08

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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.