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Finding the Fourth Proportional to 459,418.60, 633,952.74 and 258,210.28

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Solution

The fourth proportional to 459,418.60, 633,952.74 and 258,210.28 is: 356,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,418.60 : 633,952.74 = 258,210.28 : x
  2. Step 2: Convert to fraction form
    459,418.60/633,952.74 = 258,210.28/x
  3. Step 3: Cross multiply
    459,418.60x = 633,952.74 × 258,210.28
  4. Step 4: Simplify right side
    459,418.60x = 163,693,114,502.17
  5. Step 5: Solve for x
    x = 163,693,114,502.17/459,418.60
  6. Step 6: Final answer
    x = 356,304.94

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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.