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Finding the Fourth Proportional to 341,356.65, 478,599.15 and 341,356.65

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Solution

The fourth proportional to 341,356.65, 478,599.15 and 341,356.65 is: 478,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,356.65 : 478,599.15 = 341,356.65 : x
  2. Step 2: Convert to fraction form
    341,356.65/478,599.15 = 341,356.65/x
  3. Step 3: Cross multiply
    341,356.65x = 478,599.15 × 341,356.65
  4. Step 4: Simplify right side
    341,356.65x = 163,373,002,536.85
  5. Step 5: Solve for x
    x = 163,373,002,536.85/341,356.65
  6. Step 6: Final answer
    x = 478,599.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.