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Finding the Fourth Proportional to 473,436.48, 710,153.48 and 389,995.14

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Solution

The fourth proportional to 473,436.48, 710,153.48 and 389,995.14 is: 584,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,436.48 : 710,153.48 = 389,995.14 : x
  2. Step 2: Convert to fraction form
    473,436.48/710,153.48 = 389,995.14/x
  3. Step 3: Cross multiply
    473,436.48x = 710,153.48 × 389,995.14
  4. Step 4: Simplify right side
    473,436.48x = 276,956,405,854.09
  5. Step 5: Solve for x
    x = 276,956,405,854.09/473,436.48
  6. Step 6: Final answer
    x = 584,991.69

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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.