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Finding the Fourth Proportional to 532,811.52, 735,330.76 and 291,130.86

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Solution

The fourth proportional to 532,811.52, 735,330.76 and 291,130.86 is: 401,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,811.52 : 735,330.76 = 291,130.86 : x
  2. Step 2: Convert to fraction form
    532,811.52/735,330.76 = 291,130.86/x
  3. Step 3: Cross multiply
    532,811.52x = 735,330.76 × 291,130.86
  4. Step 4: Simplify right side
    532,811.52x = 214,077,474,436.68
  5. Step 5: Solve for x
    x = 214,077,474,436.68/532,811.52
  6. Step 6: Final answer
    x = 401,788.37

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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.