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Finding the Fourth Proportional to 707,044.74, 975,719.90 and 384,754.76

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Solution

The fourth proportional to 707,044.74, 975,719.90 and 384,754.76 is: 530,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,044.74 : 975,719.90 = 384,754.76 : x
  2. Step 2: Convert to fraction form
    707,044.74/975,719.90 = 384,754.76/x
  3. Step 3: Cross multiply
    707,044.74x = 975,719.90 × 384,754.76
  4. Step 4: Simplify right side
    707,044.74x = 375,412,875,951.72
  5. Step 5: Solve for x
    x = 375,412,875,951.72/707,044.74
  6. Step 6: Final answer
    x = 530,960.57

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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.