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Finding the Fourth Proportional to 503,406.09, 754,223.22 and 473,438.79

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Solution

The fourth proportional to 503,406.09, 754,223.22 and 473,438.79 is: 709,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,406.09 : 754,223.22 = 473,438.79 : x
  2. Step 2: Convert to fraction form
    503,406.09/754,223.22 = 473,438.79/x
  3. Step 3: Cross multiply
    503,406.09x = 754,223.22 × 473,438.79
  4. Step 4: Simplify right side
    503,406.09x = 357,078,528,666.70
  5. Step 5: Solve for x
    x = 357,078,528,666.70/503,406.09
  6. Step 6: Final answer
    x = 709,325.01

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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.