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Finding the Fourth Proportional to 434,576.10, 651,864.15 and 434,576.10

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Solution

The fourth proportional to 434,576.10, 651,864.15 and 434,576.10 is: 651,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,576.10 : 651,864.15 = 434,576.10 : x
  2. Step 2: Convert to fraction form
    434,576.10/651,864.15 = 434,576.10/x
  3. Step 3: Cross multiply
    434,576.10x = 651,864.15 × 434,576.10
  4. Step 4: Simplify right side
    434,576.10x = 283,284,580,036.82
  5. Step 5: Solve for x
    x = 283,284,580,036.82/434,576.10
  6. Step 6: Final answer
    x = 651,864.15

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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.