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Finding the Fourth Proportional to 333,444.65, 459,825.98 and 305,783.34

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Solution

The fourth proportional to 333,444.65, 459,825.98 and 305,783.34 is: 421,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,444.65 : 459,825.98 = 305,783.34 : x
  2. Step 2: Convert to fraction form
    333,444.65/459,825.98 = 305,783.34/x
  3. Step 3: Cross multiply
    333,444.65x = 459,825.98 × 305,783.34
  4. Step 4: Simplify right side
    333,444.65x = 140,607,122,454.26
  5. Step 5: Solve for x
    x = 140,607,122,454.26/333,444.65
  6. Step 6: Final answer
    x = 421,680.55

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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.