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Finding the Fourth Proportional to 586,925, 880,687.76 and 279,525

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Solution

The fourth proportional to 586,925, 880,687.76 and 279,525 is: 419,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,925 : 880,687.76 = 279,525 : x
  2. Step 2: Convert to fraction form
    586,925/880,687.76 = 279,525/x
  3. Step 3: Cross multiply
    586,925x = 880,687.76 × 279,525
  4. Step 4: Simplify right side
    586,925x = 246,174,246,114
  5. Step 5: Solve for x
    x = 246,174,246,114/586,925
  6. Step 6: Final answer
    x = 419,430.50

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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.