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Finding the Fourth Proportional to 301,639.65, 452,459.06 and 77,000.07

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Solution

The fourth proportional to 301,639.65, 452,459.06 and 77,000.07 is: 115,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,639.65 : 452,459.06 = 77,000.07 : x
  2. Step 2: Convert to fraction form
    301,639.65/452,459.06 = 77,000.07/x
  3. Step 3: Cross multiply
    301,639.65x = 452,459.06 × 77,000.07
  4. Step 4: Simplify right side
    301,639.65x = 34,839,378,780.65
  5. Step 5: Solve for x
    x = 34,839,378,780.65/301,639.65
  6. Step 6: Final answer
    x = 115,500.00

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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.