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Finding the Fourth Proportional to 626,518.23, 864,595.01 and 340,038.34

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Solution

The fourth proportional to 626,518.23, 864,595.01 and 340,038.34 is: 469,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,518.23 : 864,595.01 = 340,038.34 : x
  2. Step 2: Convert to fraction form
    626,518.23/864,595.01 = 340,038.34/x
  3. Step 3: Cross multiply
    626,518.23x = 864,595.01 × 340,038.34
  4. Step 4: Simplify right side
    626,518.23x = 293,995,450,661.29
  5. Step 5: Solve for x
    x = 293,995,450,661.29/626,518.23
  6. Step 6: Final answer
    x = 469,252.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.