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Finding the Fourth Proportional to 529,813.20, 793,553.40 and 470,715.60

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Solution

The fourth proportional to 529,813.20, 793,553.40 and 470,715.60 is: 705,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,813.20 : 793,553.40 = 470,715.60 : x
  2. Step 2: Convert to fraction form
    529,813.20/793,553.40 = 470,715.60/x
  3. Step 3: Cross multiply
    529,813.20x = 793,553.40 × 470,715.60
  4. Step 4: Simplify right side
    529,813.20x = 373,537,964,813.04
  5. Step 5: Solve for x
    x = 373,537,964,813.04/529,813.20
  6. Step 6: Final answer
    x = 705,037.11

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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.