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Finding the Fourth Proportional to 546,830.01, 754,627.50 and 305,122.77

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Solution

The fourth proportional to 546,830.01, 754,627.50 and 305,122.77 is: 421,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,830.01 : 754,627.50 = 305,122.77 : x
  2. Step 2: Convert to fraction form
    546,830.01/754,627.50 = 305,122.77/x
  3. Step 3: Cross multiply
    546,830.01x = 754,627.50 × 305,122.77
  4. Step 4: Simplify right side
    546,830.01x = 230,254,033,118.18
  5. Step 5: Solve for x
    x = 230,254,033,118.18/546,830.01
  6. Step 6: Final answer
    x = 421,070.59

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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.