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Finding the Fourth Proportional to 423,026.40, 633,292.92 and 370,538.40

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Solution

The fourth proportional to 423,026.40, 633,292.92 and 370,538.40 is: 554,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,026.40 : 633,292.92 = 370,538.40 : x
  2. Step 2: Convert to fraction form
    423,026.40/633,292.92 = 370,538.40/x
  3. Step 3: Cross multiply
    423,026.40x = 633,292.92 × 370,538.40
  4. Step 4: Simplify right side
    423,026.40x = 234,659,345,308.13
  5. Step 5: Solve for x
    x = 234,659,345,308.13/423,026.40
  6. Step 6: Final answer
    x = 554,715.60

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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.