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Finding the Fourth Proportional to 719,054.62, 992,654.62 and 447,210.14

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Solution

The fourth proportional to 719,054.62, 992,654.62 and 447,210.14 is: 617,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,054.62 : 992,654.62 = 447,210.14 : x
  2. Step 2: Convert to fraction form
    719,054.62/992,654.62 = 447,210.14/x
  3. Step 3: Cross multiply
    719,054.62x = 992,654.62 × 447,210.14
  4. Step 4: Simplify right side
    719,054.62x = 443,925,209,550.17
  5. Step 5: Solve for x
    x = 443,925,209,550.17/719,054.62
  6. Step 6: Final answer
    x = 617,373.42

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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.