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Finding the Fourth Proportional to 341,504.90, 478,806.70 and 341,504.90

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Solution

The fourth proportional to 341,504.90, 478,806.70 and 341,504.90 is: 478,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,504.90 : 478,806.70 = 341,504.90 : x
  2. Step 2: Convert to fraction form
    341,504.90/478,806.70 = 341,504.90/x
  3. Step 3: Cross multiply
    341,504.90x = 478,806.70 × 341,504.90
  4. Step 4: Simplify right side
    341,504.90x = 163,514,834,202.83
  5. Step 5: Solve for x
    x = 163,514,834,202.83/341,504.90
  6. Step 6: Final answer
    x = 478,806.70

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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.