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Finding the Fourth Proportional to 539,951.86, 745,141.44 and 313,597.36

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Solution

The fourth proportional to 539,951.86, 745,141.44 and 313,597.36 is: 432,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,951.86 : 745,141.44 = 313,597.36 : x
  2. Step 2: Convert to fraction form
    539,951.86/745,141.44 = 313,597.36/x
  3. Step 3: Cross multiply
    539,951.86x = 745,141.44 × 313,597.36
  4. Step 4: Simplify right side
    539,951.86x = 233,674,388,410.60
  5. Step 5: Solve for x
    x = 233,674,388,410.60/539,951.86
  6. Step 6: Final answer
    x = 432,768.93

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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.