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Finding the Fourth Proportional to 569,823.40, 853,568.70 and 289,498.60

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Solution

The fourth proportional to 569,823.40, 853,568.70 and 289,498.60 is: 433,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,823.40 : 853,568.70 = 289,498.60 : x
  2. Step 2: Convert to fraction form
    569,823.40/853,568.70 = 289,498.60/x
  3. Step 3: Cross multiply
    569,823.40x = 853,568.70 × 289,498.60
  4. Step 4: Simplify right side
    569,823.40x = 247,106,943,653.82
  5. Step 5: Solve for x
    x = 247,106,943,653.82/569,823.40
  6. Step 6: Final answer
    x = 433,655.31

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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.