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Finding the Fourth Proportional to 337,416.40, 506,124.60 and 290,760.40

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Solution

The fourth proportional to 337,416.40, 506,124.60 and 290,760.40 is: 436,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,416.40 : 506,124.60 = 290,760.40 : x
  2. Step 2: Convert to fraction form
    337,416.40/506,124.60 = 290,760.40/x
  3. Step 3: Cross multiply
    337,416.40x = 506,124.60 × 290,760.40
  4. Step 4: Simplify right side
    337,416.40x = 147,160,991,145.84
  5. Step 5: Solve for x
    x = 147,160,991,145.84/337,416.40
  6. Step 6: Final answer
    x = 436,140.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.