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Finding the Fourth Proportional to 273,639.60, 409,681.80 and 242,535.60

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Solution

The fourth proportional to 273,639.60, 409,681.80 and 242,535.60 is: 363,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,639.60 : 409,681.80 = 242,535.60 : x
  2. Step 2: Convert to fraction form
    273,639.60/409,681.80 = 242,535.60/x
  3. Step 3: Cross multiply
    273,639.60x = 409,681.80 × 242,535.60
  4. Step 4: Simplify right side
    273,639.60x = 99,362,421,172.08
  5. Step 5: Solve for x
    x = 99,362,421,172.08/273,639.60
  6. Step 6: Final answer
    x = 363,114.19

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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.