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Finding the Fourth Proportional to 590,574.30, 885,861.45 and 235,643.10

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Solution

The fourth proportional to 590,574.30, 885,861.45 and 235,643.10 is: 353,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,574.30 : 885,861.45 = 235,643.10 : x
  2. Step 2: Convert to fraction form
    590,574.30/885,861.45 = 235,643.10/x
  3. Step 3: Cross multiply
    590,574.30x = 885,861.45 × 235,643.10
  4. Step 4: Simplify right side
    590,574.30x = 208,747,138,248.50
  5. Step 5: Solve for x
    x = 208,747,138,248.50/590,574.30
  6. Step 6: Final answer
    x = 353,464.65

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Double scale
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Similar ratio
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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.