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Finding the Fourth Proportional to 403,359.60, 604,252.08 and 245,195.76

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Solution

The fourth proportional to 403,359.60, 604,252.08 and 245,195.76 is: 367,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,359.60 : 604,252.08 = 245,195.76 : x
  2. Step 2: Convert to fraction form
    403,359.60/604,252.08 = 245,195.76/x
  3. Step 3: Cross multiply
    403,359.60x = 604,252.08 × 245,195.76
  4. Step 4: Simplify right side
    403,359.60x = 148,160,047,987.18
  5. Step 5: Solve for x
    x = 148,160,047,987.18/403,359.60
  6. Step 6: Final answer
    x = 367,315.04

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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.