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Finding the Fourth Proportional to 602,995.20, 832,281.60 and 348,499.20

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Solution

The fourth proportional to 602,995.20, 832,281.60 and 348,499.20 is: 481,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,995.20 : 832,281.60 = 348,499.20 : x
  2. Step 2: Convert to fraction form
    602,995.20/832,281.60 = 348,499.20/x
  3. Step 3: Cross multiply
    602,995.20x = 832,281.60 × 348,499.20
  4. Step 4: Simplify right side
    602,995.20x = 290,049,471,774.72
  5. Step 5: Solve for x
    x = 290,049,471,774.72/602,995.20
  6. Step 6: Final answer
    x = 481,014.56

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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.