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Finding the Fourth Proportional to 590,345.70, 885,518.55 and 472,247.70

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Solution

The fourth proportional to 590,345.70, 885,518.55 and 472,247.70 is: 708,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,345.70 : 885,518.55 = 472,247.70 : x
  2. Step 2: Convert to fraction form
    590,345.70/885,518.55 = 472,247.70/x
  3. Step 3: Cross multiply
    590,345.70x = 885,518.55 × 472,247.70
  4. Step 4: Simplify right side
    590,345.70x = 418,184,098,544.84
  5. Step 5: Solve for x
    x = 418,184,098,544.84/590,345.70
  6. Step 6: Final answer
    x = 708,371.55

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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.