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Finding the Fourth Proportional to 507,193.60, 760,250.88 and 191,516.16

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Solution

The fourth proportional to 507,193.60, 760,250.88 and 191,516.16 is: 287,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,193.60 : 760,250.88 = 191,516.16 : x
  2. Step 2: Convert to fraction form
    507,193.60/760,250.88 = 191,516.16/x
  3. Step 3: Cross multiply
    507,193.60x = 760,250.88 × 191,516.16
  4. Step 4: Simplify right side
    507,193.60x = 145,600,329,174.22
  5. Step 5: Solve for x
    x = 145,600,329,174.22/507,193.60
  6. Step 6: Final answer
    x = 287,070.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.