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Finding the Fourth Proportional to 495,440.94, 683,591.36 and 291,500.76

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Solution

The fourth proportional to 495,440.94, 683,591.36 and 291,500.76 is: 402,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,440.94 : 683,591.36 = 291,500.76 : x
  2. Step 2: Convert to fraction form
    495,440.94/683,591.36 = 291,500.76/x
  3. Step 3: Cross multiply
    495,440.94x = 683,591.36 × 291,500.76
  4. Step 4: Simplify right side
    495,440.94x = 199,267,400,969.43
  5. Step 5: Solve for x
    x = 199,267,400,969.43/495,440.94
  6. Step 6: Final answer
    x = 402,202.13

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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.