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Finding the Fourth Proportional to 573,240.96, 791,075.08 and 315,134.50

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Solution

The fourth proportional to 573,240.96, 791,075.08 and 315,134.50 is: 434,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,240.96 : 791,075.08 = 315,134.50 : x
  2. Step 2: Convert to fraction form
    573,240.96/791,075.08 = 315,134.50/x
  3. Step 3: Cross multiply
    573,240.96x = 791,075.08 × 315,134.50
  4. Step 4: Simplify right side
    573,240.96x = 249,295,052,089.98
  5. Step 5: Solve for x
    x = 249,295,052,089.98/573,240.96
  6. Step 6: Final answer
    x = 434,887.02

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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.