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Finding the Fourth Proportional to 589,041.80, 883,562.70 and 549,384.20

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Solution

The fourth proportional to 589,041.80, 883,562.70 and 549,384.20 is: 824,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,041.80 : 883,562.70 = 549,384.20 : x
  2. Step 2: Convert to fraction form
    589,041.80/883,562.70 = 549,384.20/x
  3. Step 3: Cross multiply
    589,041.80x = 883,562.70 × 549,384.20
  4. Step 4: Simplify right side
    589,041.80x = 485,415,387,089.34
  5. Step 5: Solve for x
    x = 485,415,387,089.34/589,041.80
  6. Step 6: Final answer
    x = 824,076.30

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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.