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Finding the Fourth Proportional to 292,298.60, 437,573.10 and 260,805.80

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Solution

The fourth proportional to 292,298.60, 437,573.10 and 260,805.80 is: 390,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,298.60 : 437,573.10 = 260,805.80 : x
  2. Step 2: Convert to fraction form
    292,298.60/437,573.10 = 260,805.80/x
  3. Step 3: Cross multiply
    292,298.60x = 437,573.10 × 260,805.80
  4. Step 4: Simplify right side
    292,298.60x = 114,121,602,403.98
  5. Step 5: Solve for x
    x = 114,121,602,403.98/292,298.60
  6. Step 6: Final answer
    x = 390,428.15

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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.