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Finding the Fourth Proportional to 474,263.39, 654,488.55 and 259,398.84

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Solution

The fourth proportional to 474,263.39, 654,488.55 and 259,398.84 is: 357,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,263.39 : 654,488.55 = 259,398.84 : x
  2. Step 2: Convert to fraction form
    474,263.39/654,488.55 = 259,398.84/x
  3. Step 3: Cross multiply
    474,263.39x = 654,488.55 × 259,398.84
  4. Step 4: Simplify right side
    474,263.39x = 169,773,570,663.28
  5. Step 5: Solve for x
    x = 169,773,570,663.28/474,263.39
  6. Step 6: Final answer
    x = 357,973.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.