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Finding the Fourth Proportional to 440,688.96, 608,126.64 and 249,698.16

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Solution

The fourth proportional to 440,688.96, 608,126.64 and 249,698.16 is: 344,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,688.96 : 608,126.64 = 249,698.16 : x
  2. Step 2: Convert to fraction form
    440,688.96/608,126.64 = 249,698.16/x
  3. Step 3: Cross multiply
    440,688.96x = 608,126.64 × 249,698.16
  4. Step 4: Simplify right side
    440,688.96x = 151,848,103,054.98
  5. Step 5: Solve for x
    x = 151,848,103,054.98/440,688.96
  6. Step 6: Final answer
    x = 344,569.79

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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.