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Finding the Fourth Proportional to 364,030.20, 546,045.30 and 153,905.40

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Solution

The fourth proportional to 364,030.20, 546,045.30 and 153,905.40 is: 230,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,030.20 : 546,045.30 = 153,905.40 : x
  2. Step 2: Convert to fraction form
    364,030.20/546,045.30 = 153,905.40/x
  3. Step 3: Cross multiply
    364,030.20x = 546,045.30 × 153,905.40
  4. Step 4: Simplify right side
    364,030.20x = 84,039,320,314.62
  5. Step 5: Solve for x
    x = 84,039,320,314.62/364,030.20
  6. Step 6: Final answer
    x = 230,858.10

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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.