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Finding the Fourth Proportional to 586,177.86, 878,807.45 and 231,457.40

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Solution

The fourth proportional to 586,177.86, 878,807.45 and 231,457.40 is: 347,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,177.86 : 878,807.45 = 231,457.40 : x
  2. Step 2: Convert to fraction form
    586,177.86/878,807.45 = 231,457.40/x
  3. Step 3: Cross multiply
    586,177.86x = 878,807.45 × 231,457.40
  4. Step 4: Simplify right side
    586,177.86x = 203,406,481,926.31
  5. Step 5: Solve for x
    x = 203,406,481,926.31/586,177.86
  6. Step 6: Final answer
    x = 347,004.72

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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.