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Finding the Fourth Proportional to 630,224.93, 869,783.93 and 358,333.56

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Solution

The fourth proportional to 630,224.93, 869,783.93 and 358,333.56 is: 494,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,224.93 : 869,783.93 = 358,333.56 : x
  2. Step 2: Convert to fraction form
    630,224.93/869,783.93 = 358,333.56/x
  3. Step 3: Cross multiply
    630,224.93x = 869,783.93 × 358,333.56
  4. Step 4: Simplify right side
    630,224.93x = 311,672,772,067.69
  5. Step 5: Solve for x
    x = 311,672,772,067.69/630,224.93
  6. Step 6: Final answer
    x = 494,542.12

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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.