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Finding the Fourth Proportional to 603,762, 832,858.74 and 490,387.92

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Solution

The fourth proportional to 603,762, 832,858.74 and 490,387.92 is: 676,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,762 : 832,858.74 = 490,387.92 : x
  2. Step 2: Convert to fraction form
    603,762/832,858.74 = 490,387.92/x
  3. Step 3: Cross multiply
    603,762x = 832,858.74 × 490,387.92
  4. Step 4: Simplify right side
    603,762x = 408,423,865,162.42
  5. Step 5: Solve for x
    x = 408,423,865,162.42/603,762
  6. Step 6: Final answer
    x = 676,465.01

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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.