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Finding the Fourth Proportional to 606,350.80, 909,526.20 and 576,826.30

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Solution

The fourth proportional to 606,350.80, 909,526.20 and 576,826.30 is: 865,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,350.80 : 909,526.20 = 576,826.30 : x
  2. Step 2: Convert to fraction form
    606,350.80/909,526.20 = 576,826.30/x
  3. Step 3: Cross multiply
    606,350.80x = 909,526.20 × 576,826.30
  4. Step 4: Simplify right side
    606,350.80x = 524,638,632,699.06
  5. Step 5: Solve for x
    x = 524,638,632,699.06/606,350.80
  6. Step 6: Final answer
    x = 865,239.45

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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.