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Finding the Fourth Proportional to 536,455.28, 740,000.30 and 334,901.36

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Solution

The fourth proportional to 536,455.28, 740,000.30 and 334,901.36 is: 461,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,455.28 : 740,000.30 = 334,901.36 : x
  2. Step 2: Convert to fraction form
    536,455.28/740,000.30 = 334,901.36/x
  3. Step 3: Cross multiply
    536,455.28x = 740,000.30 × 334,901.36
  4. Step 4: Simplify right side
    536,455.28x = 247,827,101,495.90
  5. Step 5: Solve for x
    x = 247,827,101,495.90/536,455.28
  6. Step 6: Final answer
    x = 461,971.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.