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Finding the Fourth Proportional to 261,149.95, 360,254.28 and 170,558.94

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Solution

The fourth proportional to 261,149.95, 360,254.28 and 170,558.94 is: 235,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,149.95 : 360,254.28 = 170,558.94 : x
  2. Step 2: Convert to fraction form
    261,149.95/360,254.28 = 170,558.94/x
  3. Step 3: Cross multiply
    261,149.95x = 360,254.28 × 170,558.94
  4. Step 4: Simplify right side
    261,149.95x = 61,444,588,127.26
  5. Step 5: Solve for x
    x = 61,444,588,127.26/261,149.95
  6. Step 6: Final answer
    x = 235,284.70

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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.