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Finding the Fourth Proportional to 550,962.80, 825,061.80 and 362,956.40

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Solution

The fourth proportional to 550,962.80, 825,061.80 and 362,956.40 is: 543,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,962.80 : 825,061.80 = 362,956.40 : x
  2. Step 2: Convert to fraction form
    550,962.80/825,061.80 = 362,956.40/x
  3. Step 3: Cross multiply
    550,962.80x = 825,061.80 × 362,956.40
  4. Step 4: Simplify right side
    550,962.80x = 299,461,460,705.52
  5. Step 5: Solve for x
    x = 299,461,460,705.52/550,962.80
  6. Step 6: Final answer
    x = 543,523.92

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1.5x scale

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.