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Finding the Fourth Proportional to 506,015.84, 759,148.30 and 356,548

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Solution

The fourth proportional to 506,015.84, 759,148.30 and 356,548 is: 534,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,015.84 : 759,148.30 = 356,548 : x
  2. Step 2: Convert to fraction form
    506,015.84/759,148.30 = 356,548/x
  3. Step 3: Cross multiply
    506,015.84x = 759,148.30 × 356,548
  4. Step 4: Simplify right side
    506,015.84x = 270,672,808,068.40
  5. Step 5: Solve for x
    x = 270,672,808,068.40/506,015.84
  6. Step 6: Final answer
    x = 534,909.75

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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.