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Finding the Fourth Proportional to 507,158.15, 760,811.40 and 152,200.22

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Solution

The fourth proportional to 507,158.15, 760,811.40 and 152,200.22 is: 228,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,158.15 : 760,811.40 = 152,200.22 : x
  2. Step 2: Convert to fraction form
    507,158.15/760,811.40 = 152,200.22/x
  3. Step 3: Cross multiply
    507,158.15x = 760,811.40 × 152,200.22
  4. Step 4: Simplify right side
    507,158.15x = 115,795,658,654.45
  5. Step 5: Solve for x
    x = 115,795,658,654.45/507,158.15
  6. Step 6: Final answer
    x = 228,322.58

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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.