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Finding the Fourth Proportional to 522,575.84, 783,995.36 and 148,598.72

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Solution

The fourth proportional to 522,575.84, 783,995.36 and 148,598.72 is: 222,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,575.84 : 783,995.36 = 148,598.72 : x
  2. Step 2: Convert to fraction form
    522,575.84/783,995.36 = 148,598.72/x
  3. Step 3: Cross multiply
    522,575.84x = 783,995.36 × 148,598.72
  4. Step 4: Simplify right side
    522,575.84x = 116,500,706,981.94
  5. Step 5: Solve for x
    x = 116,500,706,981.94/522,575.84
  6. Step 6: Final answer
    x = 222,935.50

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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.