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Finding the Fourth Proportional to 585,045.91, 877,892.68 and 285,528.97

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Solution

The fourth proportional to 585,045.91, 877,892.68 and 285,528.97 is: 428,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,045.91 : 877,892.68 = 285,528.97 : x
  2. Step 2: Convert to fraction form
    585,045.91/877,892.68 = 285,528.97/x
  3. Step 3: Cross multiply
    585,045.91x = 877,892.68 × 285,528.97
  4. Step 4: Simplify right side
    585,045.91x = 250,663,788,301.48
  5. Step 5: Solve for x
    x = 250,663,788,301.48/585,045.91
  6. Step 6: Final answer
    x = 428,451.49

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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.