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Finding the Fourth Proportional to 488,688.70, 732,814.35 and 222,312.10

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Solution

The fourth proportional to 488,688.70, 732,814.35 and 222,312.10 is: 333,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,688.70 : 732,814.35 = 222,312.10 : x
  2. Step 2: Convert to fraction form
    488,688.70/732,814.35 = 222,312.10/x
  3. Step 3: Cross multiply
    488,688.70x = 732,814.35 × 222,312.10
  4. Step 4: Simplify right side
    488,688.70x = 162,913,497,058.64
  5. Step 5: Solve for x
    x = 162,913,497,058.64/488,688.70
  6. Step 6: Final answer
    x = 333,368.66

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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.