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Finding the Fourth Proportional to 598,160.58, 825,253.16 and 383,419.05

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Solution

The fourth proportional to 598,160.58, 825,253.16 and 383,419.05 is: 528,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,160.58 : 825,253.16 = 383,419.05 : x
  2. Step 2: Convert to fraction form
    598,160.58/825,253.16 = 383,419.05/x
  3. Step 3: Cross multiply
    598,160.58x = 825,253.16 × 383,419.05
  4. Step 4: Simplify right side
    598,160.58x = 316,417,780,699.60
  5. Step 5: Solve for x
    x = 316,417,780,699.60/598,160.58
  6. Step 6: Final answer
    x = 528,984.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.