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Finding the Fourth Proportional to 649,307.40, 973,961.10 and 602,068.20

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Solution

The fourth proportional to 649,307.40, 973,961.10 and 602,068.20 is: 903,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,307.40 : 973,961.10 = 602,068.20 : x
  2. Step 2: Convert to fraction form
    649,307.40/973,961.10 = 602,068.20/x
  3. Step 3: Cross multiply
    649,307.40x = 973,961.10 × 602,068.20
  4. Step 4: Simplify right side
    649,307.40x = 586,391,006,347.02
  5. Step 5: Solve for x
    x = 586,391,006,347.02/649,307.40
  6. Step 6: Final answer
    x = 903,102.30

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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.