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Finding the Fourth Proportional to 312,030.45, 468,045.68 and 233,298.45

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Solution

The fourth proportional to 312,030.45, 468,045.68 and 233,298.45 is: 349,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,030.45 : 468,045.68 = 233,298.45 : x
  2. Step 2: Convert to fraction form
    312,030.45/468,045.68 = 233,298.45/x
  3. Step 3: Cross multiply
    312,030.45x = 468,045.68 × 233,298.45
  4. Step 4: Simplify right side
    312,030.45x = 109,194,330,506.70
  5. Step 5: Solve for x
    x = 109,194,330,506.70/312,030.45
  6. Step 6: Final answer
    x = 349,947.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.