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Finding the Fourth Proportional to 435,840.84, 601,509.06 and 263,853.57

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Solution

The fourth proportional to 435,840.84, 601,509.06 and 263,853.57 is: 364,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,840.84 : 601,509.06 = 263,853.57 : x
  2. Step 2: Convert to fraction form
    435,840.84/601,509.06 = 263,853.57/x
  3. Step 3: Cross multiply
    435,840.84x = 601,509.06 × 263,853.57
  4. Step 4: Simplify right side
    435,840.84x = 158,710,312,868.34
  5. Step 5: Solve for x
    x = 158,710,312,868.34/435,840.84
  6. Step 6: Final answer
    x = 364,147.41

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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.