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Finding the Fourth Proportional to 341,101.40, 478,241.80 and 341,101.40

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Solution

The fourth proportional to 341,101.40, 478,241.80 and 341,101.40 is: 478,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,101.40 : 478,241.80 = 341,101.40 : x
  2. Step 2: Convert to fraction form
    341,101.40/478,241.80 = 341,101.40/x
  3. Step 3: Cross multiply
    341,101.40x = 478,241.80 × 341,101.40
  4. Step 4: Simplify right side
    341,101.40x = 163,128,947,518.52
  5. Step 5: Solve for x
    x = 163,128,947,518.52/341,101.40
  6. Step 6: Final answer
    x = 478,241.80

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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.