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Finding the Fourth Proportional to 532,880.96, 735,385.62 and 291,179.18

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Solution

The fourth proportional to 532,880.96, 735,385.62 and 291,179.18 is: 401,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,880.96 : 735,385.62 = 291,179.18 : x
  2. Step 2: Convert to fraction form
    532,880.96/735,385.62 = 291,179.18/x
  3. Step 3: Cross multiply
    532,880.96x = 735,385.62 × 291,179.18
  4. Step 4: Simplify right side
    532,880.96x = 214,128,980,359.50
  5. Step 5: Solve for x
    x = 214,128,980,359.50/532,880.96
  6. Step 6: Final answer
    x = 401,832.68

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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.