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Finding the Fourth Proportional to 587,671.80, 881,507.70 and 552,242.40

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Solution

The fourth proportional to 587,671.80, 881,507.70 and 552,242.40 is: 828,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,671.80 : 881,507.70 = 552,242.40 : x
  2. Step 2: Convert to fraction form
    587,671.80/881,507.70 = 552,242.40/x
  3. Step 3: Cross multiply
    587,671.80x = 881,507.70 × 552,242.40
  4. Step 4: Simplify right side
    587,671.80x = 486,805,927,866.48
  5. Step 5: Solve for x
    x = 486,805,927,866.48/587,671.80
  6. Step 6: Final answer
    x = 828,363.60

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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.