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Finding the Fourth Proportional to 584,190.40, 875,335.20 and 528,203.20

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Solution

The fourth proportional to 584,190.40, 875,335.20 and 528,203.20 is: 791,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,190.40 : 875,335.20 = 528,203.20 : x
  2. Step 2: Convert to fraction form
    584,190.40/875,335.20 = 528,203.20/x
  3. Step 3: Cross multiply
    584,190.40x = 875,335.20 × 528,203.20
  4. Step 4: Simplify right side
    584,190.40x = 462,354,853,712.64
  5. Step 5: Solve for x
    x = 462,354,853,712.64/584,190.40
  6. Step 6: Final answer
    x = 791,445.48

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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.