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Finding the Fourth Proportional to 433,541.40, 650,312.10 and 433,541.40

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Solution

The fourth proportional to 433,541.40, 650,312.10 and 433,541.40 is: 650,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,541.40 : 650,312.10 = 433,541.40 : x
  2. Step 2: Convert to fraction form
    433,541.40/650,312.10 = 433,541.40/x
  3. Step 3: Cross multiply
    433,541.40x = 650,312.10 × 433,541.40
  4. Step 4: Simplify right side
    433,541.40x = 281,937,218,270.94
  5. Step 5: Solve for x
    x = 281,937,218,270.94/433,541.40
  6. Step 6: Final answer
    x = 650,312.10

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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.