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Finding the Fourth Proportional to 553,461.76, 830,181.12 and 375,523.84

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Solution

The fourth proportional to 553,461.76, 830,181.12 and 375,523.84 is: 563,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,461.76 : 830,181.12 = 375,523.84 : x
  2. Step 2: Convert to fraction form
    553,461.76/830,181.12 = 375,523.84/x
  3. Step 3: Cross multiply
    553,461.76x = 830,181.12 × 375,523.84
  4. Step 4: Simplify right side
    553,461.76x = 311,752,802,077.90
  5. Step 5: Solve for x
    x = 311,752,802,077.90/553,461.76
  6. Step 6: Final answer
    x = 563,277.94

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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.