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Finding the Fourth Proportional to 702,500.80, 1,050,640.80 and 590,526.40

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Solution

The fourth proportional to 702,500.80, 1,050,640.80 and 590,526.40 is: 883,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,500.80 : 1,050,640.80 = 590,526.40 : x
  2. Step 2: Convert to fraction form
    702,500.80/1,050,640.80 = 590,526.40/x
  3. Step 3: Cross multiply
    702,500.80x = 1,050,640.80 × 590,526.40
  4. Step 4: Simplify right side
    702,500.80x = 620,431,129,317.12
  5. Step 5: Solve for x
    x = 620,431,129,317.12/702,500.80
  6. Step 6: Final answer
    x = 883,174.98

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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.