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Finding the Fourth Proportional to 416,059.40, 624,089.10 and 346,075.40

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Solution

The fourth proportional to 416,059.40, 624,089.10 and 346,075.40 is: 519,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,059.40 : 624,089.10 = 346,075.40 : x
  2. Step 2: Convert to fraction form
    416,059.40/624,089.10 = 346,075.40/x
  3. Step 3: Cross multiply
    416,059.40x = 624,089.10 × 346,075.40
  4. Step 4: Simplify right side
    416,059.40x = 215,981,884,918.14
  5. Step 5: Solve for x
    x = 215,981,884,918.14/416,059.40
  6. Step 6: Final answer
    x = 519,113.10

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1.5x scale

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.