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Finding the Fourth Proportional to 416,795.67, 575,204.54 and 255,628.76

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Solution

The fourth proportional to 416,795.67, 575,204.54 and 255,628.76 is: 352,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,795.67 : 575,204.54 = 255,628.76 : x
  2. Step 2: Convert to fraction form
    416,795.67/575,204.54 = 255,628.76/x
  3. Step 3: Cross multiply
    416,795.67x = 575,204.54 × 255,628.76
  4. Step 4: Simplify right side
    416,795.67x = 147,038,819,152.40
  5. Step 5: Solve for x
    x = 147,038,819,152.40/416,795.67
  6. Step 6: Final answer
    x = 352,783.94

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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.