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Finding the Fourth Proportional to 591,812.30, 887,718.45 and 260,036.30

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Solution

The fourth proportional to 591,812.30, 887,718.45 and 260,036.30 is: 390,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,812.30 : 887,718.45 = 260,036.30 : x
  2. Step 2: Convert to fraction form
    591,812.30/887,718.45 = 260,036.30/x
  3. Step 3: Cross multiply
    591,812.30x = 887,718.45 × 260,036.30
  4. Step 4: Simplify right side
    591,812.30x = 230,839,021,179.74
  5. Step 5: Solve for x
    x = 230,839,021,179.74/591,812.30
  6. Step 6: Final answer
    x = 390,054.45

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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.