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Finding the Fourth Proportional to 459,774.07, 634,393.16 and 268,750.51

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Solution

The fourth proportional to 459,774.07, 634,393.16 and 268,750.51 is: 370,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,774.07 : 634,393.16 = 268,750.51 : x
  2. Step 2: Convert to fraction form
    459,774.07/634,393.16 = 268,750.51/x
  3. Step 3: Cross multiply
    459,774.07x = 634,393.16 × 268,750.51
  4. Step 4: Simplify right side
    459,774.07x = 170,493,483,946.76
  5. Step 5: Solve for x
    x = 170,493,483,946.76/459,774.07
  6. Step 6: Final answer
    x = 370,820.14

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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.