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Finding the Fourth Proportional to 506,903.55, 699,516.45 and 277,455.26

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Solution

The fourth proportional to 506,903.55, 699,516.45 and 277,455.26 is: 382,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,903.55 : 699,516.45 = 277,455.26 : x
  2. Step 2: Convert to fraction form
    506,903.55/699,516.45 = 277,455.26/x
  3. Step 3: Cross multiply
    506,903.55x = 699,516.45 × 277,455.26
  4. Step 4: Simplify right side
    506,903.55x = 194,084,518,509.03
  5. Step 5: Solve for x
    x = 194,084,518,509.03/506,903.55
  6. Step 6: Final answer
    x = 382,882.54

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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.