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Finding the Fourth Proportional to 533,898.48, 736,779.80 and 292,181.20

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Solution

The fourth proportional to 533,898.48, 736,779.80 and 292,181.20 is: 403,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,898.48 : 736,779.80 = 292,181.20 : x
  2. Step 2: Convert to fraction form
    533,898.48/736,779.80 = 292,181.20/x
  3. Step 3: Cross multiply
    533,898.48x = 736,779.80 × 292,181.20
  4. Step 4: Simplify right side
    533,898.48x = 215,273,206,099.76
  5. Step 5: Solve for x
    x = 215,273,206,099.76/533,898.48
  6. Step 6: Final answer
    x = 403,210.00

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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.