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Finding the Fourth Proportional to 453,617.90, 625,952.04 and 262,644.20

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Solution

The fourth proportional to 453,617.90, 625,952.04 and 262,644.20 is: 362,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,617.90 : 625,952.04 = 262,644.20 : x
  2. Step 2: Convert to fraction form
    453,617.90/625,952.04 = 262,644.20/x
  3. Step 3: Cross multiply
    453,617.90x = 625,952.04 × 262,644.20
  4. Step 4: Simplify right side
    453,617.90x = 164,402,672,784.17
  5. Step 5: Solve for x
    x = 164,402,672,784.17/453,617.90
  6. Step 6: Final answer
    x = 362,425.45

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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.