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Finding the Fourth Proportional to 546,820.80, 753,492.96 and 403,353.60

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Solution

The fourth proportional to 546,820.80, 753,492.96 and 403,353.60 is: 555,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,820.80 : 753,492.96 = 403,353.60 : x
  2. Step 2: Convert to fraction form
    546,820.80/753,492.96 = 403,353.60/x
  3. Step 3: Cross multiply
    546,820.80x = 753,492.96 × 403,353.60
  4. Step 4: Simplify right side
    546,820.80x = 303,924,097,990.66
  5. Step 5: Solve for x
    x = 303,924,097,990.66/546,820.80
  6. Step 6: Final answer
    x = 555,802.01

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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.