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Finding the Fourth Proportional to 615,676.84, 849,922.01 and 357,503.50

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Solution

The fourth proportional to 615,676.84, 849,922.01 and 357,503.50 is: 493,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,676.84 : 849,922.01 = 357,503.50 : x
  2. Step 2: Convert to fraction form
    615,676.84/849,922.01 = 357,503.50/x
  3. Step 3: Cross multiply
    615,676.84x = 849,922.01 × 357,503.50
  4. Step 4: Simplify right side
    615,676.84x = 303,850,087,264.91
  5. Step 5: Solve for x
    x = 303,850,087,264.91/615,676.84
  6. Step 6: Final answer
    x = 493,522.04

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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.