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Finding the Fourth Proportional to 522,754.80, 783,082.08 and 442,448.16

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Solution

The fourth proportional to 522,754.80, 783,082.08 and 442,448.16 is: 662,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,754.80 : 783,082.08 = 442,448.16 : x
  2. Step 2: Convert to fraction form
    522,754.80/783,082.08 = 442,448.16/x
  3. Step 3: Cross multiply
    522,754.80x = 783,082.08 × 442,448.16
  4. Step 4: Simplify right side
    522,754.80x = 346,473,225,424.97
  5. Step 5: Solve for x
    x = 346,473,225,424.97/522,754.80
  6. Step 6: Final answer
    x = 662,783.44

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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.