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Finding the Fourth Proportional to 626,478.60, 864,093.88 and 574,961.64

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Solution

The fourth proportional to 626,478.60, 864,093.88 and 574,961.64 is: 793,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,478.60 : 864,093.88 = 574,961.64 : x
  2. Step 2: Convert to fraction form
    626,478.60/864,093.88 = 574,961.64/x
  3. Step 3: Cross multiply
    626,478.60x = 864,093.88 × 574,961.64
  4. Step 4: Simplify right side
    626,478.60x = 496,820,834,358.76
  5. Step 5: Solve for x
    x = 496,820,834,358.76/626,478.60
  6. Step 6: Final answer
    x = 793,037.20

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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.