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Finding the Fourth Proportional to 584,707.13, 877,060.61 and 220,037.28

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Solution

The fourth proportional to 584,707.13, 877,060.61 and 220,037.28 is: 330,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,707.13 : 877,060.61 = 220,037.28 : x
  2. Step 2: Convert to fraction form
    584,707.13/877,060.61 = 220,037.28/x
  3. Step 3: Cross multiply
    584,707.13x = 877,060.61 × 220,037.28
  4. Step 4: Simplify right side
    584,707.13x = 192,986,031,019.54
  5. Step 5: Solve for x
    x = 192,986,031,019.54/584,707.13
  6. Step 6: Final answer
    x = 330,055.89

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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.