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Finding the Fourth Proportional to 585,078.88, 804,309 and 503,106.92

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Solution

The fourth proportional to 585,078.88, 804,309 and 503,106.92 is: 691,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,078.88 : 804,309 = 503,106.92 : x
  2. Step 2: Convert to fraction form
    585,078.88/804,309 = 503,106.92/x
  3. Step 3: Cross multiply
    585,078.88x = 804,309 × 503,106.92
  4. Step 4: Simplify right side
    585,078.88x = 404,653,423,718.28
  5. Step 5: Solve for x
    x = 404,653,423,718.28/585,078.88
  6. Step 6: Final answer
    x = 691,622.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.