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Finding the Fourth Proportional to 543,577.68, 750,492.48 and 353,133.84

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Solution

The fourth proportional to 543,577.68, 750,492.48 and 353,133.84 is: 487,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,577.68 : 750,492.48 = 353,133.84 : x
  2. Step 2: Convert to fraction form
    543,577.68/750,492.48 = 353,133.84/x
  3. Step 3: Cross multiply
    543,577.68x = 750,492.48 × 353,133.84
  4. Step 4: Simplify right side
    543,577.68x = 265,024,291,353.52
  5. Step 5: Solve for x
    x = 265,024,291,353.52/543,577.68
  6. Step 6: Final answer
    x = 487,555.51

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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.