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Finding the Fourth Proportional to 528,779.64, 729,445.59 and 337,592.10

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Solution

The fourth proportional to 528,779.64, 729,445.59 and 337,592.10 is: 465,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,779.64 : 729,445.59 = 337,592.10 : x
  2. Step 2: Convert to fraction form
    528,779.64/729,445.59 = 337,592.10/x
  3. Step 3: Cross multiply
    528,779.64x = 729,445.59 × 337,592.10
  4. Step 4: Simplify right side
    528,779.64x = 246,255,068,563.84
  5. Step 5: Solve for x
    x = 246,255,068,563.84/528,779.64
  6. Step 6: Final answer
    x = 465,704.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.