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Finding the Fourth Proportional to 602,200.50, 831,036.69 and 333,928.50

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Solution

The fourth proportional to 602,200.50, 831,036.69 and 333,928.50 is: 460,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,200.50 : 831,036.69 = 333,928.50 : x
  2. Step 2: Convert to fraction form
    602,200.50/831,036.69 = 333,928.50/x
  3. Step 3: Cross multiply
    602,200.50x = 831,036.69 × 333,928.50
  4. Step 4: Simplify right side
    602,200.50x = 277,506,835,336.67
  5. Step 5: Solve for x
    x = 277,506,835,336.67/602,200.50
  6. Step 6: Final answer
    x = 460,821.33

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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.