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Finding the Fourth Proportional to 479,547.88, 661,728.88 and 264,674.08

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Solution

The fourth proportional to 479,547.88, 661,728.88 and 264,674.08 is: 365,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,547.88 : 661,728.88 = 264,674.08 : x
  2. Step 2: Convert to fraction form
    479,547.88/661,728.88 = 264,674.08/x
  3. Step 3: Cross multiply
    479,547.88x = 661,728.88 × 264,674.08
  4. Step 4: Simplify right side
    479,547.88x = 175,142,482,523.43
  5. Step 5: Solve for x
    x = 175,142,482,523.43/479,547.88
  6. Step 6: Final answer
    x = 365,224.18

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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.