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Finding the Fourth Proportional to 570,055.07, 786,333.27 and 376,464.56

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Solution

The fourth proportional to 570,055.07, 786,333.27 and 376,464.56 is: 519,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,055.07 : 786,333.27 = 376,464.56 : x
  2. Step 2: Convert to fraction form
    570,055.07/786,333.27 = 376,464.56/x
  3. Step 3: Cross multiply
    570,055.07x = 786,333.27 × 376,464.56
  4. Step 4: Simplify right side
    570,055.07x = 296,026,608,289.50
  5. Step 5: Solve for x
    x = 296,026,608,289.50/570,055.07
  6. Step 6: Final answer
    x = 519,294.76

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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.