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Finding the Fourth Proportional to 529,015.98, 792,176.88 and 348,554.30

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Solution

The fourth proportional to 529,015.98, 792,176.88 and 348,554.30 is: 521,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,015.98 : 792,176.88 = 348,554.30 : x
  2. Step 2: Convert to fraction form
    529,015.98/792,176.88 = 348,554.30/x
  3. Step 3: Cross multiply
    529,015.98x = 792,176.88 × 348,554.30
  4. Step 4: Simplify right side
    529,015.98x = 276,116,657,884.58
  5. Step 5: Solve for x
    x = 276,116,657,884.58/529,015.98
  6. Step 6: Final answer
    x = 521,943.89

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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.