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Finding the Fourth Proportional to 273,259.59, 407,172.95 and 243,448.35

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Solution

The fourth proportional to 273,259.59, 407,172.95 and 243,448.35 is: 362,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,259.59 : 407,172.95 = 243,448.35 : x
  2. Step 2: Convert to fraction form
    273,259.59/407,172.95 = 243,448.35/x
  3. Step 3: Cross multiply
    273,259.59x = 407,172.95 × 243,448.35
  4. Step 4: Simplify right side
    273,259.59x = 99,125,581,624.89
  5. Step 5: Solve for x
    x = 99,125,581,624.89/273,259.59
  6. Step 6: Final answer
    x = 362,752.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.