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Finding the Fourth Proportional to 317,075.60, 437,562.60 and 173,841.68

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Solution

The fourth proportional to 317,075.60, 437,562.60 and 173,841.68 is: 239,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,075.60 : 437,562.60 = 173,841.68 : x
  2. Step 2: Convert to fraction form
    317,075.60/437,562.60 = 173,841.68/x
  3. Step 3: Cross multiply
    317,075.60x = 437,562.60 × 173,841.68
  4. Step 4: Simplify right side
    317,075.60x = 76,066,617,489.17
  5. Step 5: Solve for x
    x = 76,066,617,489.17/317,075.60
  6. Step 6: Final answer
    x = 239,900.57

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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.