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Finding the Fourth Proportional to 417,126.69, 575,328.96 and 273,834.45

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Solution

The fourth proportional to 417,126.69, 575,328.96 and 273,834.45 is: 377,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,126.69 : 575,328.96 = 273,834.45 : x
  2. Step 2: Convert to fraction form
    417,126.69/575,328.96 = 273,834.45/x
  3. Step 3: Cross multiply
    417,126.69x = 575,328.96 × 273,834.45
  4. Step 4: Simplify right side
    417,126.69x = 157,544,889,330.67
  5. Step 5: Solve for x
    x = 157,544,889,330.67/417,126.69
  6. Step 6: Final answer
    x = 377,690.74

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1.5x scale

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.