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Finding the Fourth Proportional to 495,285.73, 683,526.97 and 277,511.86

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Solution

The fourth proportional to 495,285.73, 683,526.97 and 277,511.86 is: 382,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,285.73 : 683,526.97 = 277,511.86 : x
  2. Step 2: Convert to fraction form
    495,285.73/683,526.97 = 277,511.86/x
  3. Step 3: Cross multiply
    495,285.73x = 683,526.97 × 277,511.86
  4. Step 4: Simplify right side
    495,285.73x = 189,686,840,804.86
  5. Step 5: Solve for x
    x = 189,686,840,804.86/495,285.73
  6. Step 6: Final answer
    x = 382,984.67

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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.