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Finding the Fourth Proportional to 585,093.76, 807,445.32 and 330,482.80

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Solution

The fourth proportional to 585,093.76, 807,445.32 and 330,482.80 is: 456,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,093.76 : 807,445.32 = 330,482.80 : x
  2. Step 2: Convert to fraction form
    585,093.76/807,445.32 = 330,482.80/x
  3. Step 3: Cross multiply
    585,093.76x = 807,445.32 × 330,482.80
  4. Step 4: Simplify right side
    585,093.76x = 266,846,790,200.50
  5. Step 5: Solve for x
    x = 266,846,790,200.50/585,093.76
  6. Step 6: Final answer
    x = 456,075.26

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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.