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Finding the Fourth Proportional to 737,999.84, 1,018,444.85 and 411,333.91

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Solution

The fourth proportional to 737,999.84, 1,018,444.85 and 411,333.91 is: 567,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,999.84 : 1,018,444.85 = 411,333.91 : x
  2. Step 2: Convert to fraction form
    737,999.84/1,018,444.85 = 411,333.91/x
  3. Step 3: Cross multiply
    737,999.84x = 1,018,444.85 × 411,333.91
  4. Step 4: Simplify right side
    737,999.84x = 418,920,900,752.09
  5. Step 5: Solve for x
    x = 418,920,900,752.09/737,999.84
  6. Step 6: Final answer
    x = 567,643.62

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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.