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Finding the Fourth Proportional to 589,048.30, 883,572.45 and 549,390.70

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Solution

The fourth proportional to 589,048.30, 883,572.45 and 549,390.70 is: 824,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,048.30 : 883,572.45 = 549,390.70 : x
  2. Step 2: Convert to fraction form
    589,048.30/883,572.45 = 549,390.70/x
  3. Step 3: Cross multiply
    589,048.30x = 883,572.45 × 549,390.70
  4. Step 4: Simplify right side
    589,048.30x = 485,426,486,806.22
  5. Step 5: Solve for x
    x = 485,426,486,806.22/589,048.30
  6. Step 6: Final answer
    x = 824,086.05

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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.