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Finding the Fourth Proportional to 506,603.77, 699,110.66 and 277,156.89

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Solution

The fourth proportional to 506,603.77, 699,110.66 and 277,156.89 is: 382,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,603.77 : 699,110.66 = 277,156.89 : x
  2. Step 2: Convert to fraction form
    506,603.77/699,110.66 = 277,156.89/x
  3. Step 3: Cross multiply
    506,603.77x = 699,110.66 × 277,156.89
  4. Step 4: Simplify right side
    506,603.77x = 193,763,336,984.34
  5. Step 5: Solve for x
    x = 193,763,336,984.34/506,603.77
  6. Step 6: Final answer
    x = 382,475.12

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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.