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Finding the Fourth Proportional to 435,634.80, 610,510.80 and 435,634.80

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Solution

The fourth proportional to 435,634.80, 610,510.80 and 435,634.80 is: 610,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,634.80 : 610,510.80 = 435,634.80 : x
  2. Step 2: Convert to fraction form
    435,634.80/610,510.80 = 435,634.80/x
  3. Step 3: Cross multiply
    435,634.80x = 610,510.80 × 435,634.80
  4. Step 4: Simplify right side
    435,634.80x = 265,959,750,255.84
  5. Step 5: Solve for x
    x = 265,959,750,255.84/435,634.80
  6. Step 6: Final answer
    x = 610,510.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.