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Finding the Fourth Proportional to 473,075.88, 709,927.20 and 259,992.60

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Solution

The fourth proportional to 473,075.88, 709,927.20 and 259,992.60 is: 390,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,075.88 : 709,927.20 = 259,992.60 : x
  2. Step 2: Convert to fraction form
    473,075.88/709,927.20 = 259,992.60/x
  3. Step 3: Cross multiply
    473,075.88x = 709,927.20 × 259,992.60
  4. Step 4: Simplify right side
    473,075.88x = 184,575,818,538.72
  5. Step 5: Solve for x
    x = 184,575,818,538.72/473,075.88
  6. Step 6: Final answer
    x = 390,161.13

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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.