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Finding the Fourth Proportional to 472,927.04, 709,390.56 and 315,463.04

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Solution

The fourth proportional to 472,927.04, 709,390.56 and 315,463.04 is: 473,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,927.04 : 709,390.56 = 315,463.04 : x
  2. Step 2: Convert to fraction form
    472,927.04/709,390.56 = 315,463.04/x
  3. Step 3: Cross multiply
    472,927.04x = 709,390.56 × 315,463.04
  4. Step 4: Simplify right side
    472,927.04x = 223,786,502,604.90
  5. Step 5: Solve for x
    x = 223,786,502,604.90/472,927.04
  6. Step 6: Final answer
    x = 473,194.56

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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.