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Finding the Fourth Proportional to 586,376.82, 879,565.22 and 165,663.63

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Solution

The fourth proportional to 586,376.82, 879,565.22 and 165,663.63 is: 248,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,376.82 : 879,565.22 = 165,663.63 : x
  2. Step 2: Convert to fraction form
    586,376.82/879,565.22 = 165,663.63/x
  3. Step 3: Cross multiply
    586,376.82x = 879,565.22 × 165,663.63
  4. Step 4: Simplify right side
    586,376.82x = 145,711,966,338.63
  5. Step 5: Solve for x
    x = 145,711,966,338.63/586,376.82
  6. Step 6: Final answer
    x = 248,495.44

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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.