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Finding the Fourth Proportional to 468,466.34, 646,485.63 and 253,606.40

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Solution

The fourth proportional to 468,466.34, 646,485.63 and 253,606.40 is: 349,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,466.34 : 646,485.63 = 253,606.40 : x
  2. Step 2: Convert to fraction form
    468,466.34/646,485.63 = 253,606.40/x
  3. Step 3: Cross multiply
    468,466.34x = 646,485.63 × 253,606.40
  4. Step 4: Simplify right side
    468,466.34x = 163,952,893,276.03
  5. Step 5: Solve for x
    x = 163,952,893,276.03/468,466.34
  6. Step 6: Final answer
    x = 349,977.96

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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.