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Finding the Fourth Proportional to 356,829.60, 534,207.60 and 346,461.60

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Solution

The fourth proportional to 356,829.60, 534,207.60 and 346,461.60 is: 518,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,829.60 : 534,207.60 = 346,461.60 : x
  2. Step 2: Convert to fraction form
    356,829.60/534,207.60 = 346,461.60/x
  3. Step 3: Cross multiply
    356,829.60x = 534,207.60 × 346,461.60
  4. Step 4: Simplify right side
    356,829.60x = 185,082,419,828.16
  5. Step 5: Solve for x
    x = 185,082,419,828.16/356,829.60
  6. Step 6: Final answer
    x = 518,685.73

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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.