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Finding the Fourth Proportional to 602,194.40, 831,038.93 and 330,259.92

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Solution

The fourth proportional to 602,194.40, 831,038.93 and 330,259.92 is: 455,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,194.40 : 831,038.93 = 330,259.92 : x
  2. Step 2: Convert to fraction form
    602,194.40/831,038.93 = 330,259.92/x
  3. Step 3: Cross multiply
    602,194.40x = 831,038.93 × 330,259.92
  4. Step 4: Simplify right side
    602,194.40x = 274,458,850,538.69
  5. Step 5: Solve for x
    x = 274,458,850,538.69/602,194.40
  6. Step 6: Final answer
    x = 455,764.53

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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.