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Finding the Fourth Proportional to 579,703.35, 869,555.03 and 369,751.35

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Solution

The fourth proportional to 579,703.35, 869,555.03 and 369,751.35 is: 554,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,703.35 : 869,555.03 = 369,751.35 : x
  2. Step 2: Convert to fraction form
    579,703.35/869,555.03 = 369,751.35/x
  3. Step 3: Cross multiply
    579,703.35x = 869,555.03 × 369,751.35
  4. Step 4: Simplify right side
    579,703.35x = 321,519,144,393.03
  5. Step 5: Solve for x
    x = 321,519,144,393.03/579,703.35
  6. Step 6: Final answer
    x = 554,627.03

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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.