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Finding the Fourth Proportional to 292,515.42, 438,846.95 and 134,854.59

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Solution

The fourth proportional to 292,515.42, 438,846.95 and 134,854.59 is: 202,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,515.42 : 438,846.95 = 134,854.59 : x
  2. Step 2: Convert to fraction form
    292,515.42/438,846.95 = 134,854.59/x
  3. Step 3: Cross multiply
    292,515.42x = 438,846.95 × 134,854.59
  4. Step 4: Simplify right side
    292,515.42x = 59,180,525,515.00
  5. Step 5: Solve for x
    x = 59,180,525,515.00/292,515.42
  6. Step 6: Final answer
    x = 202,315.92

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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.