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Finding the Fourth Proportional to 332,307.70, 498,461.55 and 310,000.30

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Solution

The fourth proportional to 332,307.70, 498,461.55 and 310,000.30 is: 465,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,307.70 : 498,461.55 = 310,000.30 : x
  2. Step 2: Convert to fraction form
    332,307.70/498,461.55 = 310,000.30/x
  3. Step 3: Cross multiply
    332,307.70x = 498,461.55 × 310,000.30
  4. Step 4: Simplify right side
    332,307.70x = 154,523,230,038.47
  5. Step 5: Solve for x
    x = 154,523,230,038.47/332,307.70
  6. Step 6: Final answer
    x = 465,000.45

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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.