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Finding the Fourth Proportional to 373,669.60, 559,848.30 and 306,747.40

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Solution

The fourth proportional to 373,669.60, 559,848.30 and 306,747.40 is: 459,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669.60 : 559,848.30 = 306,747.40 : x
  2. Step 2: Convert to fraction form
    373,669.60/559,848.30 = 306,747.40/x
  3. Step 3: Cross multiply
    373,669.60x = 559,848.30 × 306,747.40
  4. Step 4: Simplify right side
    373,669.60x = 171,732,010,419.42
  5. Step 5: Solve for x
    x = 171,732,010,419.42/373,669.60
  6. Step 6: Final answer
    x = 459,582.50

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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.