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Finding the Fourth Proportional to 983,668.72, 1,357,520.69 and 601,768.70

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Solution

The fourth proportional to 983,668.72, 1,357,520.69 and 601,768.70 is: 830,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,668.72 : 1,357,520.69 = 601,768.70 : x
  2. Step 2: Convert to fraction form
    983,668.72/1,357,520.69 = 601,768.70/x
  3. Step 3: Cross multiply
    983,668.72x = 1,357,520.69 × 601,768.70
  4. Step 4: Simplify right side
    983,668.72x = 816,913,460,844.40
  5. Step 5: Solve for x
    x = 816,913,460,844.40/983,668.72
  6. Step 6: Final answer
    x = 830,476.20

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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.