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Finding the Fourth Proportional to 316,762.35, 437,025.02 and 180,700.57

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Solution

The fourth proportional to 316,762.35, 437,025.02 and 180,700.57 is: 249,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,762.35 : 437,025.02 = 180,700.57 : x
  2. Step 2: Convert to fraction form
    316,762.35/437,025.02 = 180,700.57/x
  3. Step 3: Cross multiply
    316,762.35x = 437,025.02 × 180,700.57
  4. Step 4: Simplify right side
    316,762.35x = 78,970,670,877.48
  5. Step 5: Solve for x
    x = 78,970,670,877.48/316,762.35
  6. Step 6: Final answer
    x = 249,305.74

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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.