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Finding the Fourth Proportional to 373,140, 514,573.56 and 250,907.76

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Solution

The fourth proportional to 373,140, 514,573.56 and 250,907.76 is: 346,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,140 : 514,573.56 = 250,907.76 : x
  2. Step 2: Convert to fraction form
    373,140/514,573.56 = 250,907.76/x
  3. Step 3: Cross multiply
    373,140x = 514,573.56 × 250,907.76
  4. Step 4: Simplify right side
    373,140x = 129,110,499,294.83
  5. Step 5: Solve for x
    x = 129,110,499,294.83/373,140
  6. Step 6: Final answer
    x = 346,010.88

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1.5x scale

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.