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Finding the Fourth Proportional to 586,984.80, 880,822.80 and 213,045.60

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Solution

The fourth proportional to 586,984.80, 880,822.80 and 213,045.60 is: 319,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,984.80 : 880,822.80 = 213,045.60 : x
  2. Step 2: Convert to fraction form
    586,984.80/880,822.80 = 213,045.60/x
  3. Step 3: Cross multiply
    586,984.80x = 880,822.80 × 213,045.60
  4. Step 4: Simplify right side
    586,984.80x = 187,655,421,919.68
  5. Step 5: Solve for x
    x = 187,655,421,919.68/586,984.80
  6. Step 6: Final answer
    x = 319,693.84

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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.