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Finding the Fourth Proportional to 585,045.40, 876,876.90 and 248,085.40

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Solution

The fourth proportional to 585,045.40, 876,876.90 and 248,085.40 is: 371,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,045.40 : 876,876.90 = 248,085.40 : x
  2. Step 2: Convert to fraction form
    585,045.40/876,876.90 = 248,085.40/x
  3. Step 3: Cross multiply
    585,045.40x = 876,876.90 × 248,085.40
  4. Step 4: Simplify right side
    585,045.40x = 217,540,356,487.26
  5. Step 5: Solve for x
    x = 217,540,356,487.26/585,045.40
  6. Step 6: Final answer
    x = 371,835.00

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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.