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Finding the Fourth Proportional to 480,637.84, 721,066.04 and 255,879.84

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Solution

The fourth proportional to 480,637.84, 721,066.04 and 255,879.84 is: 383,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,637.84 : 721,066.04 = 255,879.84 : x
  2. Step 2: Convert to fraction form
    480,637.84/721,066.04 = 255,879.84/x
  3. Step 3: Cross multiply
    480,637.84x = 721,066.04 × 255,879.84
  4. Step 4: Simplify right side
    480,637.84x = 184,506,262,944.63
  5. Step 5: Solve for x
    x = 184,506,262,944.63/480,637.84
  6. Step 6: Final answer
    x = 383,877.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.