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Finding the Fourth Proportional to 895,266.88, 1,235,472.96 and 492,858.88

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Solution

The fourth proportional to 895,266.88, 1,235,472.96 and 492,858.88 is: 680,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,266.88 : 1,235,472.96 = 492,858.88 : x
  2. Step 2: Convert to fraction form
    895,266.88/1,235,472.96 = 492,858.88/x
  3. Step 3: Cross multiply
    895,266.88x = 1,235,472.96 × 492,858.88
  4. Step 4: Simplify right side
    895,266.88x = 608,913,819,335.89
  5. Step 5: Solve for x
    x = 608,913,819,335.89/895,266.88
  6. Step 6: Final answer
    x = 680,147.82

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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.