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Finding the Fourth Proportional to 506,580.76, 759,870.99 and 190,963.85

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Solution

The fourth proportional to 506,580.76, 759,870.99 and 190,963.85 is: 286,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,580.76 : 759,870.99 = 190,963.85 : x
  2. Step 2: Convert to fraction form
    506,580.76/759,870.99 = 190,963.85/x
  3. Step 3: Cross multiply
    506,580.76x = 759,870.99 × 190,963.85
  4. Step 4: Simplify right side
    506,580.76x = 145,107,889,753.71
  5. Step 5: Solve for x
    x = 145,107,889,753.71/506,580.76
  6. Step 6: Final answer
    x = 286,445.72

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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.