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Finding the Fourth Proportional to 719,004.04, 992,048.64 and 439,530.68

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Solution

The fourth proportional to 719,004.04, 992,048.64 and 439,530.68 is: 606,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,004.04 : 992,048.64 = 439,530.68 : x
  2. Step 2: Convert to fraction form
    719,004.04/992,048.64 = 439,530.68/x
  3. Step 3: Cross multiply
    719,004.04x = 992,048.64 × 439,530.68
  4. Step 4: Simplify right side
    719,004.04x = 436,035,813,332.28
  5. Step 5: Solve for x
    x = 436,035,813,332.28/719,004.04
  6. Step 6: Final answer
    x = 606,444.18

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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.