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Finding the Fourth Proportional to 338,075.68, 506,384.46 and 318,202.14

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Solution

The fourth proportional to 338,075.68, 506,384.46 and 318,202.14 is: 476,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,075.68 : 506,384.46 = 318,202.14 : x
  2. Step 2: Convert to fraction form
    338,075.68/506,384.46 = 318,202.14/x
  3. Step 3: Cross multiply
    338,075.68x = 506,384.46 × 318,202.14
  4. Step 4: Simplify right side
    338,075.68x = 161,132,618,834.74
  5. Step 5: Solve for x
    x = 161,132,618,834.74/338,075.68
  6. Step 6: Final answer
    x = 476,617.01

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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.