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Finding the Fourth Proportional to 467,999.11, 645,783.20 and 264,038.13

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Solution

The fourth proportional to 467,999.11, 645,783.20 and 264,038.13 is: 364,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,999.11 : 645,783.20 = 264,038.13 : x
  2. Step 2: Convert to fraction form
    467,999.11/645,783.20 = 264,038.13/x
  3. Step 3: Cross multiply
    467,999.11x = 645,783.20 × 264,038.13
  4. Step 4: Simplify right side
    467,999.11x = 170,511,385,284.50
  5. Step 5: Solve for x
    x = 170,511,385,284.50/467,999.11
  6. Step 6: Final answer
    x = 364,341.26

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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.