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Finding the Fourth Proportional to 532,914.21, 735,412.86 and 291,191.58

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Solution

The fourth proportional to 532,914.21, 735,412.86 and 291,191.58 is: 401,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,914.21 : 735,412.86 = 291,191.58 : x
  2. Step 2: Convert to fraction form
    532,914.21/735,412.86 = 291,191.58/x
  3. Step 3: Cross multiply
    532,914.21x = 735,412.86 × 291,191.58
  4. Step 4: Simplify right side
    532,914.21x = 214,146,032,655.72
  5. Step 5: Solve for x
    x = 214,146,032,655.72/532,914.21
  6. Step 6: Final answer
    x = 401,839.60

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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.