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Finding the Fourth Proportional to 615,584.16, 849,506.96 and 347,337.12

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Solution

The fourth proportional to 615,584.16, 849,506.96 and 347,337.12 is: 479,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,584.16 : 849,506.96 = 347,337.12 : x
  2. Step 2: Convert to fraction form
    615,584.16/849,506.96 = 347,337.12/x
  3. Step 3: Cross multiply
    615,584.16x = 849,506.96 × 347,337.12
  4. Step 4: Simplify right side
    615,584.16x = 295,065,300,906.36
  5. Step 5: Solve for x
    x = 295,065,300,906.36/615,584.16
  6. Step 6: Final answer
    x = 479,325.69

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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.