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Finding the Fourth Proportional to 584,804.58, 807,049.85 and 358,406.34

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Solution

The fourth proportional to 584,804.58, 807,049.85 and 358,406.34 is: 494,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,804.58 : 807,049.85 = 358,406.34 : x
  2. Step 2: Convert to fraction form
    584,804.58/807,049.85 = 358,406.34/x
  3. Step 3: Cross multiply
    584,804.58x = 807,049.85 × 358,406.34
  4. Step 4: Simplify right side
    584,804.58x = 289,251,782,936.05
  5. Step 5: Solve for x
    x = 289,251,782,936.05/584,804.58
  6. Step 6: Final answer
    x = 494,612.72

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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.