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Finding the Fourth Proportional to 306,530.40, 459,795.60 and 306,530.40

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Solution

The fourth proportional to 306,530.40, 459,795.60 and 306,530.40 is: 459,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,530.40 : 459,795.60 = 306,530.40 : x
  2. Step 2: Convert to fraction form
    306,530.40/459,795.60 = 306,530.40/x
  3. Step 3: Cross multiply
    306,530.40x = 459,795.60 × 306,530.40
  4. Step 4: Simplify right side
    306,530.40x = 140,941,329,186.24
  5. Step 5: Solve for x
    x = 140,941,329,186.24/306,530.40
  6. Step 6: Final answer
    x = 459,795.60

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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.