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Finding the Fourth Proportional to 553,972.23, 830,943.77 and 174,877.65

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Solution

The fourth proportional to 553,972.23, 830,943.77 and 174,877.65 is: 262,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,972.23 : 830,943.77 = 174,877.65 : x
  2. Step 2: Convert to fraction form
    553,972.23/830,943.77 = 174,877.65/x
  3. Step 3: Cross multiply
    553,972.23x = 830,943.77 × 174,877.65
  4. Step 4: Simplify right side
    553,972.23x = 145,313,492,905.35
  5. Step 5: Solve for x
    x = 145,313,492,905.35/553,972.23
  6. Step 6: Final answer
    x = 262,311.87

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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.