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Finding the Fourth Proportional to 462,047.80, 693,302.10 and 262,521.40

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Solution

The fourth proportional to 462,047.80, 693,302.10 and 262,521.40 is: 393,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,047.80 : 693,302.10 = 262,521.40 : x
  2. Step 2: Convert to fraction form
    462,047.80/693,302.10 = 262,521.40/x
  3. Step 3: Cross multiply
    462,047.80x = 693,302.10 × 262,521.40
  4. Step 4: Simplify right side
    462,047.80x = 182,006,637,914.94
  5. Step 5: Solve for x
    x = 182,006,637,914.94/462,047.80
  6. Step 6: Final answer
    x = 393,913.01

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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.