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Finding the Fourth Proportional to 332,307.40, 498,461.10 and 163,908.40

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Solution

The fourth proportional to 332,307.40, 498,461.10 and 163,908.40 is: 245,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,307.40 : 498,461.10 = 163,908.40 : x
  2. Step 2: Convert to fraction form
    332,307.40/498,461.10 = 163,908.40/x
  3. Step 3: Cross multiply
    332,307.40x = 498,461.10 × 163,908.40
  4. Step 4: Simplify right side
    332,307.40x = 81,701,961,363.24
  5. Step 5: Solve for x
    x = 81,701,961,363.24/332,307.40
  6. Step 6: Final answer
    x = 245,862.60

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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.