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Finding the Fourth Proportional to 495,315.75, 683,552.63 and 277,533.53

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Solution

The fourth proportional to 495,315.75, 683,552.63 and 277,533.53 is: 383,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,315.75 : 683,552.63 = 277,533.53 : x
  2. Step 2: Convert to fraction form
    495,315.75/683,552.63 = 277,533.53/x
  3. Step 3: Cross multiply
    495,315.75x = 683,552.63 × 277,533.53
  4. Step 4: Simplify right side
    495,315.75x = 189,708,774,344.68
  5. Step 5: Solve for x
    x = 189,708,774,344.68/495,315.75
  6. Step 6: Final answer
    x = 383,005.74

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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.