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Finding the Fourth Proportional to 578,243.61, 798,059.69 and 333,181.45

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Solution

The fourth proportional to 578,243.61, 798,059.69 and 333,181.45 is: 459,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,243.61 : 798,059.69 = 333,181.45 : x
  2. Step 2: Convert to fraction form
    578,243.61/798,059.69 = 333,181.45/x
  3. Step 3: Cross multiply
    578,243.61x = 798,059.69 × 333,181.45
  4. Step 4: Simplify right side
    578,243.61x = 265,898,685,281.85
  5. Step 5: Solve for x
    x = 265,898,685,281.85/578,243.61
  6. Step 6: Final answer
    x = 459,838.52

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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.