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Finding the Fourth Proportional to 504,526.69, 699,252.28 and 495,078.85

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Solution

The fourth proportional to 504,526.69, 699,252.28 and 495,078.85 is: 686,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,526.69 : 699,252.28 = 495,078.85 : x
  2. Step 2: Convert to fraction form
    504,526.69/699,252.28 = 495,078.85/x
  3. Step 3: Cross multiply
    504,526.69x = 699,252.28 × 495,078.85
  4. Step 4: Simplify right side
    504,526.69x = 346,185,014,278.65
  5. Step 5: Solve for x
    x = 346,185,014,278.65/504,526.69
  6. Step 6: Final answer
    x = 686,157.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.