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Finding the Fourth Proportional to 707,041.05, 975,737.16 and 384,771.93

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Solution

The fourth proportional to 707,041.05, 975,737.16 and 384,771.93 is: 530,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,041.05 : 975,737.16 = 384,771.93 : x
  2. Step 2: Convert to fraction form
    707,041.05/975,737.16 = 384,771.93/x
  3. Step 3: Cross multiply
    707,041.05x = 975,737.16 × 384,771.93
  4. Step 4: Simplify right side
    707,041.05x = 375,436,270,225.92
  5. Step 5: Solve for x
    x = 375,436,270,225.92/707,041.05
  6. Step 6: Final answer
    x = 530,996.43

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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.