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Finding the Fourth Proportional to 612,592.46, 845,253.72 and 357,894.44

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Solution

The fourth proportional to 612,592.46, 845,253.72 and 357,894.44 is: 493,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,592.46 : 845,253.72 = 357,894.44 : x
  2. Step 2: Convert to fraction form
    612,592.46/845,253.72 = 357,894.44/x
  3. Step 3: Cross multiply
    612,592.46x = 845,253.72 × 357,894.44
  4. Step 4: Simplify right side
    612,592.46x = 302,511,602,551.05
  5. Step 5: Solve for x
    x = 302,511,602,551.05/612,592.46
  6. Step 6: Final answer
    x = 493,821.95

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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.