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Finding the Fourth Proportional to 983,668.22, 1,357,520 and 601,768.20

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Solution

The fourth proportional to 983,668.22, 1,357,520 and 601,768.20 is: 830,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,668.22 : 1,357,520 = 601,768.20 : x
  2. Step 2: Convert to fraction form
    983,668.22/1,357,520 = 601,768.20/x
  3. Step 3: Cross multiply
    983,668.22x = 1,357,520 × 601,768.20
  4. Step 4: Simplify right side
    983,668.22x = 816,912,366,864.00
  5. Step 5: Solve for x
    x = 816,912,366,864.00/983,668.22
  6. Step 6: Final answer
    x = 830,475.51

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1.5x scale

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.