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Finding the Fourth Proportional to 520,095.02, 717,745.34 and 293,740.52

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Solution

The fourth proportional to 520,095.02, 717,745.34 and 293,740.52 is: 405,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,095.02 : 717,745.34 = 293,740.52 : x
  2. Step 2: Convert to fraction form
    520,095.02/717,745.34 = 293,740.52/x
  3. Step 3: Cross multiply
    520,095.02x = 717,745.34 × 293,740.52
  4. Step 4: Simplify right side
    520,095.02x = 210,830,889,399.18
  5. Step 5: Solve for x
    x = 210,830,889,399.18/520,095.02
  6. Step 6: Final answer
    x = 405,369.94

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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.