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Finding the Fourth Proportional to 757,596.84, 1,045,662.58 and 435,493.80

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Solution

The fourth proportional to 757,596.84, 1,045,662.58 and 435,493.80 is: 601,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,596.84 : 1,045,662.58 = 435,493.80 : x
  2. Step 2: Convert to fraction form
    757,596.84/1,045,662.58 = 435,493.80/x
  3. Step 3: Cross multiply
    757,596.84x = 1,045,662.58 × 435,493.80
  4. Step 4: Simplify right side
    757,596.84x = 455,379,570,482.00
  5. Step 5: Solve for x
    x = 455,379,570,482.00/757,596.84
  6. Step 6: Final answer
    x = 601,084.31

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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.