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Finding the Fourth Proportional to 473,145.84, 709,544.34 and 372,141.54

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Solution

The fourth proportional to 473,145.84, 709,544.34 and 372,141.54 is: 558,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,145.84 : 709,544.34 = 372,141.54 : x
  2. Step 2: Convert to fraction form
    473,145.84/709,544.34 = 372,141.54/x
  3. Step 3: Cross multiply
    473,145.84x = 709,544.34 × 372,141.54
  4. Step 4: Simplify right side
    473,145.84x = 264,050,923,385.88
  5. Step 5: Solve for x
    x = 264,050,923,385.88/473,145.84
  6. Step 6: Final answer
    x = 558,075.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.