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Finding the Fourth Proportional to 434,672.40, 652,008.60 and 364,688.40

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Solution

The fourth proportional to 434,672.40, 652,008.60 and 364,688.40 is: 547,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,672.40 : 652,008.60 = 364,688.40 : x
  2. Step 2: Convert to fraction form
    434,672.40/652,008.60 = 364,688.40/x
  3. Step 3: Cross multiply
    434,672.40x = 652,008.60 × 364,688.40
  4. Step 4: Simplify right side
    434,672.40x = 237,779,973,120.24
  5. Step 5: Solve for x
    x = 237,779,973,120.24/434,672.40
  6. Step 6: Final answer
    x = 547,032.60

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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.