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Finding the Fourth Proportional to 535,510.69, 739,052.55 and 293,840.32

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Solution

The fourth proportional to 535,510.69, 739,052.55 and 293,840.32 is: 405,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,510.69 : 739,052.55 = 293,840.32 : x
  2. Step 2: Convert to fraction form
    535,510.69/739,052.55 = 293,840.32/x
  3. Step 3: Cross multiply
    535,510.69x = 739,052.55 × 293,840.32
  4. Step 4: Simplify right side
    535,510.69x = 217,163,437,788.82
  5. Step 5: Solve for x
    x = 217,163,437,788.82/535,510.69
  6. Step 6: Final answer
    x = 405,525.87

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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.