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Finding the Fourth Proportional to 590,811.20, 884,143.20 and 404,187.20

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Solution

The fourth proportional to 590,811.20, 884,143.20 and 404,187.20 is: 604,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,811.20 : 884,143.20 = 404,187.20 : x
  2. Step 2: Convert to fraction form
    590,811.20/884,143.20 = 404,187.20/x
  3. Step 3: Cross multiply
    590,811.20x = 884,143.20 × 404,187.20
  4. Step 4: Simplify right side
    590,811.20x = 357,359,364,407.04
  5. Step 5: Solve for x
    x = 357,359,364,407.04/590,811.20
  6. Step 6: Final answer
    x = 604,862.20

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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.