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Finding the Fourth Proportional to 585,379.79, 877,439.75 and 382,899.63

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Solution

The fourth proportional to 585,379.79, 877,439.75 and 382,899.63 is: 573,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,379.79 : 877,439.75 = 382,899.63 : x
  2. Step 2: Convert to fraction form
    585,379.79/877,439.75 = 382,899.63/x
  3. Step 3: Cross multiply
    585,379.79x = 877,439.75 × 382,899.63
  4. Step 4: Simplify right side
    585,379.79x = 335,971,353,707.79
  5. Step 5: Solve for x
    x = 335,971,353,707.79/585,379.79
  6. Step 6: Final answer
    x = 573,937.40

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1.5x scale

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.