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Finding the Fourth Proportional to 895,548, 1,235,856.24 and 493,140

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Solution

The fourth proportional to 895,548, 1,235,856.24 and 493,140 is: 680,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,548 : 1,235,856.24 = 493,140 : x
  2. Step 2: Convert to fraction form
    895,548/1,235,856.24 = 493,140/x
  3. Step 3: Cross multiply
    895,548x = 1,235,856.24 × 493,140
  4. Step 4: Simplify right side
    895,548x = 609,450,146,193.60
  5. Step 5: Solve for x
    x = 609,450,146,193.60/895,548
  6. Step 6: Final answer
    x = 680,533.20

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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.