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Finding the Fourth Proportional to 364,577.80, 546,866.70 and 187,430.80

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Solution

The fourth proportional to 364,577.80, 546,866.70 and 187,430.80 is: 281,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,577.80 : 546,866.70 = 187,430.80 : x
  2. Step 2: Convert to fraction form
    364,577.80/546,866.70 = 187,430.80/x
  3. Step 3: Cross multiply
    364,577.80x = 546,866.70 × 187,430.80
  4. Step 4: Simplify right side
    364,577.80x = 102,499,663,074.36
  5. Step 5: Solve for x
    x = 102,499,663,074.36/364,577.80
  6. Step 6: Final answer
    x = 281,146.20

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1.5x scale

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.