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Finding the Fourth Proportional to 670,162.58, 924,845 and 383,774.93

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Solution

The fourth proportional to 670,162.58, 924,845 and 383,774.93 is: 529,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,162.58 : 924,845 = 383,774.93 : x
  2. Step 2: Convert to fraction form
    670,162.58/924,845 = 383,774.93/x
  3. Step 3: Cross multiply
    670,162.58x = 924,845 × 383,774.93
  4. Step 4: Simplify right side
    670,162.58x = 354,932,325,135.85
  5. Step 5: Solve for x
    x = 354,932,325,135.85/670,162.58
  6. Step 6: Final answer
    x = 529,621.22

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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.