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Finding the Fourth Proportional to 557,463.07, 769,618.20 and 367,030

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Solution

The fourth proportional to 557,463.07, 769,618.20 and 367,030 is: 506,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,463.07 : 769,618.20 = 367,030 : x
  2. Step 2: Convert to fraction form
    557,463.07/769,618.20 = 367,030/x
  3. Step 3: Cross multiply
    557,463.07x = 769,618.20 × 367,030
  4. Step 4: Simplify right side
    557,463.07x = 282,472,967,946
  5. Step 5: Solve for x
    x = 282,472,967,946/557,463.07
  6. Step 6: Final answer
    x = 506,711.54

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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.