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Finding the Fourth Proportional to 304,330.60, 456,495.90 and 292,083.40

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Solution

The fourth proportional to 304,330.60, 456,495.90 and 292,083.40 is: 438,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,330.60 : 456,495.90 = 292,083.40 : x
  2. Step 2: Convert to fraction form
    304,330.60/456,495.90 = 292,083.40/x
  3. Step 3: Cross multiply
    304,330.60x = 456,495.90 × 292,083.40
  4. Step 4: Simplify right side
    304,330.60x = 133,334,874,558.06
  5. Step 5: Solve for x
    x = 133,334,874,558.06/304,330.60
  6. Step 6: Final answer
    x = 438,125.10

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1.5x scale

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.