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Finding the Fourth Proportional to 292,779.48, 437,050 and 257,350.08

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Solution

The fourth proportional to 292,779.48, 437,050 and 257,350.08 is: 384,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,779.48 : 437,050 = 257,350.08 : x
  2. Step 2: Convert to fraction form
    292,779.48/437,050 = 257,350.08/x
  3. Step 3: Cross multiply
    292,779.48x = 437,050 × 257,350.08
  4. Step 4: Simplify right side
    292,779.48x = 112,474,852,464
  5. Step 5: Solve for x
    x = 112,474,852,464/292,779.48
  6. Step 6: Final answer
    x = 384,162.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.