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Finding the Fourth Proportional to 604,855.40, 907,283.10 and 415,898.60

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Solution

The fourth proportional to 604,855.40, 907,283.10 and 415,898.60 is: 623,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,855.40 : 907,283.10 = 415,898.60 : x
  2. Step 2: Convert to fraction form
    604,855.40/907,283.10 = 415,898.60/x
  3. Step 3: Cross multiply
    604,855.40x = 907,283.10 × 415,898.60
  4. Step 4: Simplify right side
    604,855.40x = 377,337,771,093.66
  5. Step 5: Solve for x
    x = 377,337,771,093.66/604,855.40
  6. Step 6: Final answer
    x = 623,847.90

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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.