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Finding the Fourth Proportional to 559,075.55, 771,503.18 and 341,647.79

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Solution

The fourth proportional to 559,075.55, 771,503.18 and 341,647.79 is: 471,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,075.55 : 771,503.18 = 341,647.79 : x
  2. Step 2: Convert to fraction form
    559,075.55/771,503.18 = 341,647.79/x
  3. Step 3: Cross multiply
    559,075.55x = 771,503.18 × 341,647.79
  4. Step 4: Simplify right side
    559,075.55x = 263,582,350,859.22
  5. Step 5: Solve for x
    x = 263,582,350,859.22/559,075.55
  6. Step 6: Final answer
    x = 471,461.06

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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.