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Finding the Fourth Proportional to 707,325.23, 976,108.93 and 385,037.74

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Solution

The fourth proportional to 707,325.23, 976,108.93 and 385,037.74 is: 531,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,325.23 : 976,108.93 = 385,037.74 : x
  2. Step 2: Convert to fraction form
    707,325.23/976,108.93 = 385,037.74/x
  3. Step 3: Cross multiply
    707,325.23x = 976,108.93 × 385,037.74
  4. Step 4: Simplify right side
    707,325.23x = 375,838,771,167.95
  5. Step 5: Solve for x
    x = 375,838,771,167.95/707,325.23
  6. Step 6: Final answer
    x = 531,352.14

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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.