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Finding the Fourth Proportional to 719,002.04, 992,045.88 and 439,528.68

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Solution

The fourth proportional to 719,002.04, 992,045.88 and 439,528.68 is: 606,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,002.04 : 992,045.88 = 439,528.68 : x
  2. Step 2: Convert to fraction form
    719,002.04/992,045.88 = 439,528.68/x
  3. Step 3: Cross multiply
    719,002.04x = 992,045.88 × 439,528.68
  4. Step 4: Simplify right side
    719,002.04x = 436,032,616,135.84
  5. Step 5: Solve for x
    x = 436,032,616,135.84/719,002.04
  6. Step 6: Final answer
    x = 606,441.42

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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.