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Finding the Fourth Proportional to 304,466.40, 456,699.60 and 147,002.40

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Solution

The fourth proportional to 304,466.40, 456,699.60 and 147,002.40 is: 220,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,466.40 : 456,699.60 = 147,002.40 : x
  2. Step 2: Convert to fraction form
    304,466.40/456,699.60 = 147,002.40/x
  3. Step 3: Cross multiply
    304,466.40x = 456,699.60 × 147,002.40
  4. Step 4: Simplify right side
    304,466.40x = 67,135,937,279.04
  5. Step 5: Solve for x
    x = 67,135,937,279.04/304,466.40
  6. Step 6: Final answer
    x = 220,503.60

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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.