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Finding the Fourth Proportional to 483,973.60, 726,075.60 and 203,346.40

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Solution

The fourth proportional to 483,973.60, 726,075.60 and 203,346.40 is: 305,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,973.60 : 726,075.60 = 203,346.40 : x
  2. Step 2: Convert to fraction form
    483,973.60/726,075.60 = 203,346.40/x
  3. Step 3: Cross multiply
    483,973.60x = 726,075.60 × 203,346.40
  4. Step 4: Simplify right side
    483,973.60x = 147,644,859,387.84
  5. Step 5: Solve for x
    x = 147,644,859,387.84/483,973.60
  6. Step 6: Final answer
    x = 305,068.00

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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.