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Finding the Fourth Proportional to 555,233.84, 766,222.96 and 300,585.04

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Solution

The fourth proportional to 555,233.84, 766,222.96 and 300,585.04 is: 414,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,233.84 : 766,222.96 = 300,585.04 : x
  2. Step 2: Convert to fraction form
    555,233.84/766,222.96 = 300,585.04/x
  3. Step 3: Cross multiply
    555,233.84x = 766,222.96 × 300,585.04
  4. Step 4: Simplify right side
    555,233.84x = 230,315,159,080.52
  5. Step 5: Solve for x
    x = 230,315,159,080.52/555,233.84
  6. Step 6: Final answer
    x = 414,807.50

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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.