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Finding the Fourth Proportional to 562,152.24, 775,789.92 and 320,395.77

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Solution

The fourth proportional to 562,152.24, 775,789.92 and 320,395.77 is: 442,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,152.24 : 775,789.92 = 320,395.77 : x
  2. Step 2: Convert to fraction form
    562,152.24/775,789.92 = 320,395.77/x
  3. Step 3: Cross multiply
    562,152.24x = 775,789.92 × 320,395.77
  4. Step 4: Simplify right side
    562,152.24x = 248,559,808,776.64
  5. Step 5: Solve for x
    x = 248,559,808,776.64/562,152.24
  6. Step 6: Final answer
    x = 442,157.46

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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.