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Finding the Fourth Proportional to 459,039.30, 633,461.52 and 255,084.93

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Solution

The fourth proportional to 459,039.30, 633,461.52 and 255,084.93 is: 352,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,039.30 : 633,461.52 = 255,084.93 : x
  2. Step 2: Convert to fraction form
    459,039.30/633,461.52 = 255,084.93/x
  3. Step 3: Cross multiply
    459,039.30x = 633,461.52 × 255,084.93
  4. Step 4: Simplify right side
    459,039.30x = 161,586,487,486.89
  5. Step 5: Solve for x
    x = 161,586,487,486.89/459,039.30
  6. Step 6: Final answer
    x = 352,010.14

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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.