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Finding the Fourth Proportional to 585,058.20, 877,587.30 and 545,692.20

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Solution

The fourth proportional to 585,058.20, 877,587.30 and 545,692.20 is: 818,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,058.20 : 877,587.30 = 545,692.20 : x
  2. Step 2: Convert to fraction form
    585,058.20/877,587.30 = 545,692.20/x
  3. Step 3: Cross multiply
    585,058.20x = 877,587.30 × 545,692.20
  4. Step 4: Simplify right side
    585,058.20x = 478,892,544,429.06
  5. Step 5: Solve for x
    x = 478,892,544,429.06/585,058.20
  6. Step 6: Final answer
    x = 818,538.30

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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.