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Finding the Fourth Proportional to 544,206.40, 750,972.64 and 302,480.64

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Solution

The fourth proportional to 544,206.40, 750,972.64 and 302,480.64 is: 417,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,206.40 : 750,972.64 = 302,480.64 : x
  2. Step 2: Convert to fraction form
    544,206.40/750,972.64 = 302,480.64/x
  3. Step 3: Cross multiply
    544,206.40x = 750,972.64 × 302,480.64
  4. Step 4: Simplify right side
    544,206.40x = 227,154,684,769.69
  5. Step 5: Solve for x
    x = 227,154,684,769.69/544,206.40
  6. Step 6: Final answer
    x = 417,405.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.