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Finding the Fourth Proportional to 589,068.60, 883,602.90 and 508,889.40

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Solution

The fourth proportional to 589,068.60, 883,602.90 and 508,889.40 is: 763,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,068.60 : 883,602.90 = 508,889.40 : x
  2. Step 2: Convert to fraction form
    589,068.60/883,602.90 = 508,889.40/x
  3. Step 3: Cross multiply
    589,068.60x = 883,602.90 × 508,889.40
  4. Step 4: Simplify right side
    589,068.60x = 449,656,149,619.26
  5. Step 5: Solve for x
    x = 449,656,149,619.26/589,068.60
  6. Step 6: Final answer
    x = 763,334.10

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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.