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Finding the Fourth Proportional to 567,526.80, 851,290.20 and 519,603.60

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Solution

The fourth proportional to 567,526.80, 851,290.20 and 519,603.60 is: 779,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,526.80 : 851,290.20 = 519,603.60 : x
  2. Step 2: Convert to fraction form
    567,526.80/851,290.20 = 519,603.60/x
  3. Step 3: Cross multiply
    567,526.80x = 851,290.20 × 519,603.60
  4. Step 4: Simplify right side
    567,526.80x = 442,333,452,564.72
  5. Step 5: Solve for x
    x = 442,333,452,564.72/567,526.80
  6. Step 6: Final answer
    x = 779,405.40

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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.