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Finding the Fourth Proportional to 922,667.94, 1,273,281.93 and 520,259.94

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Solution

The fourth proportional to 922,667.94, 1,273,281.93 and 520,259.94 is: 717,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,667.94 : 1,273,281.93 = 520,259.94 : x
  2. Step 2: Convert to fraction form
    922,667.94/1,273,281.93 = 520,259.94/x
  3. Step 3: Cross multiply
    922,667.94x = 1,273,281.93 × 520,259.94
  4. Step 4: Simplify right side
    922,667.94x = 662,437,580,504.88
  5. Step 5: Solve for x
    x = 662,437,580,504.88/922,667.94
  6. Step 6: Final answer
    x = 717,958.81

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1.5x scale

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.