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Finding the Fourth Proportional to 630,554.32, 945,804.99 and 293,479.03

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Solution

The fourth proportional to 630,554.32, 945,804.99 and 293,479.03 is: 440,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,554.32 : 945,804.99 = 293,479.03 : x
  2. Step 2: Convert to fraction form
    630,554.32/945,804.99 = 293,479.03/x
  3. Step 3: Cross multiply
    630,554.32x = 945,804.99 × 293,479.03
  4. Step 4: Simplify right side
    630,554.32x = 277,573,931,034.36
  5. Step 5: Solve for x
    x = 277,573,931,034.36/630,554.32
  6. Step 6: Final answer
    x = 440,206.22

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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.