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Finding the Fourth Proportional to 604,030.40, 906,628.80 and 367,834.40

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Solution

The fourth proportional to 604,030.40, 906,628.80 and 367,834.40 is: 552,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,030.40 : 906,628.80 = 367,834.40 : x
  2. Step 2: Convert to fraction form
    604,030.40/906,628.80 = 367,834.40/x
  3. Step 3: Cross multiply
    604,030.40x = 906,628.80 × 367,834.40
  4. Step 4: Simplify right side
    604,030.40x = 333,489,260,670.72
  5. Step 5: Solve for x
    x = 333,489,260,670.72/604,030.40
  6. Step 6: Final answer
    x = 552,106.75

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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.