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Finding the Fourth Proportional to 459,266.61, 633,809.56 and 255,320.93

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Solution

The fourth proportional to 459,266.61, 633,809.56 and 255,320.93 is: 352,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,266.61 : 633,809.56 = 255,320.93 : x
  2. Step 2: Convert to fraction form
    459,266.61/633,809.56 = 255,320.93/x
  3. Step 3: Cross multiply
    459,266.61x = 633,809.56 × 255,320.93
  4. Step 4: Simplify right side
    459,266.61x = 161,824,847,248.31
  5. Step 5: Solve for x
    x = 161,824,847,248.31/459,266.61
  6. Step 6: Final answer
    x = 352,354.91

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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.