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Finding the Fourth Proportional to 371,522.60, 556,627.80 and 304,600.40

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Solution

The fourth proportional to 371,522.60, 556,627.80 and 304,600.40 is: 456,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522.60 : 556,627.80 = 304,600.40 : x
  2. Step 2: Convert to fraction form
    371,522.60/556,627.80 = 304,600.40/x
  3. Step 3: Cross multiply
    371,522.60x = 556,627.80 × 304,600.40
  4. Step 4: Simplify right side
    371,522.60x = 169,549,050,531.12
  5. Step 5: Solve for x
    x = 169,549,050,531.12/371,522.60
  6. Step 6: Final answer
    x = 456,362.68

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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.