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Finding the Fourth Proportional to 529,718.70, 793,411.65 and 470,621.10

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Solution

The fourth proportional to 529,718.70, 793,411.65 and 470,621.10 is: 704,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,718.70 : 793,411.65 = 470,621.10 : x
  2. Step 2: Convert to fraction form
    529,718.70/793,411.65 = 470,621.10/x
  3. Step 3: Cross multiply
    529,718.70x = 793,411.65 × 470,621.10
  4. Step 4: Simplify right side
    529,718.70x = 373,396,263,475.82
  5. Step 5: Solve for x
    x = 373,396,263,475.82/529,718.70
  6. Step 6: Final answer
    x = 704,895.38

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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.