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Finding the Fourth Proportional to 662,487.60, 993,731.40 and 473,530.80

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Solution

The fourth proportional to 662,487.60, 993,731.40 and 473,530.80 is: 710,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,487.60 : 993,731.40 = 473,530.80 : x
  2. Step 2: Convert to fraction form
    662,487.60/993,731.40 = 473,530.80/x
  3. Step 3: Cross multiply
    662,487.60x = 993,731.40 × 473,530.80
  4. Step 4: Simplify right side
    662,487.60x = 470,562,424,827.12
  5. Step 5: Solve for x
    x = 470,562,424,827.12/662,487.60
  6. Step 6: Final answer
    x = 710,296.20

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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.