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Finding the Fourth Proportional to 504,352.20, 757,403.10 and 488,605.80

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Solution

The fourth proportional to 504,352.20, 757,403.10 and 488,605.80 is: 733,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,352.20 : 757,403.10 = 488,605.80 : x
  2. Step 2: Convert to fraction form
    504,352.20/757,403.10 = 488,605.80/x
  3. Step 3: Cross multiply
    504,352.20x = 757,403.10 × 488,605.80
  4. Step 4: Simplify right side
    504,352.20x = 370,071,547,597.98
  5. Step 5: Solve for x
    x = 370,071,547,597.98/504,352.20
  6. Step 6: Final answer
    x = 733,756.19

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1.5x scale

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.