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Finding the Fourth Proportional to 413,639.60, 570,800.72 and 232,359.17

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Solution

The fourth proportional to 413,639.60, 570,800.72 and 232,359.17 is: 320,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,639.60 : 570,800.72 = 232,359.17 : x
  2. Step 2: Convert to fraction form
    413,639.60/570,800.72 = 232,359.17/x
  3. Step 3: Cross multiply
    413,639.60x = 570,800.72 × 232,359.17
  4. Step 4: Simplify right side
    413,639.60x = 132,630,779,261.50
  5. Step 5: Solve for x
    x = 132,630,779,261.50/413,639.60
  6. Step 6: Final answer
    x = 320,643.34

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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.