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Finding the Fourth Proportional to 649,281.40, 973,922.10 and 602,042.20

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Solution

The fourth proportional to 649,281.40, 973,922.10 and 602,042.20 is: 903,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,281.40 : 973,922.10 = 602,042.20 : x
  2. Step 2: Convert to fraction form
    649,281.40/973,922.10 = 602,042.20/x
  3. Step 3: Cross multiply
    649,281.40x = 973,922.10 × 602,042.20
  4. Step 4: Simplify right side
    649,281.40x = 586,342,203,712.62
  5. Step 5: Solve for x
    x = 586,342,203,712.62/649,281.40
  6. Step 6: Final answer
    x = 903,063.30

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Double scale
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Similar ratio
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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.