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Finding the Fourth Proportional to 316,697.95, 437,074.58 and 180,752.48

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Solution

The fourth proportional to 316,697.95, 437,074.58 and 180,752.48 is: 249,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,697.95 : 437,074.58 = 180,752.48 : x
  2. Step 2: Convert to fraction form
    316,697.95/437,074.58 = 180,752.48/x
  3. Step 3: Cross multiply
    316,697.95x = 437,074.58 × 180,752.48
  4. Step 4: Simplify right side
    316,697.95x = 79,002,314,185.50
  5. Step 5: Solve for x
    x = 79,002,314,185.50/316,697.95
  6. Step 6: Final answer
    x = 249,456.35

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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.