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Finding the Fourth Proportional to 341,421.90, 477,104.93 and 341,421.90

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Solution

The fourth proportional to 341,421.90, 477,104.93 and 341,421.90 is: 477,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,421.90 : 477,104.93 = 341,421.90 : x
  2. Step 2: Convert to fraction form
    341,421.90/477,104.93 = 341,421.90/x
  3. Step 3: Cross multiply
    341,421.90x = 477,104.93 × 341,421.90
  4. Step 4: Simplify right side
    341,421.90x = 162,894,069,992.86
  5. Step 5: Solve for x
    x = 162,894,069,992.86/341,421.90
  6. Step 6: Final answer
    x = 477,104.93

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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.