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Finding the Fourth Proportional to 580,510.16, 870,742.56 and 159,774.56

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Solution

The fourth proportional to 580,510.16, 870,742.56 and 159,774.56 is: 239,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,510.16 : 870,742.56 = 159,774.56 : x
  2. Step 2: Convert to fraction form
    580,510.16/870,742.56 = 159,774.56/x
  3. Step 3: Cross multiply
    580,510.16x = 870,742.56 × 159,774.56
  4. Step 4: Simplify right side
    580,510.16x = 139,122,509,397.27
  5. Step 5: Solve for x
    x = 139,122,509,397.27/580,510.16
  6. Step 6: Final answer
    x = 239,655.60

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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.