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Finding the Fourth Proportional to 584,547.42, 806,659.10 and 329,922.30

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Solution

The fourth proportional to 584,547.42, 806,659.10 and 329,922.30 is: 455,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,547.42 : 806,659.10 = 329,922.30 : x
  2. Step 2: Convert to fraction form
    584,547.42/806,659.10 = 329,922.30/x
  3. Step 3: Cross multiply
    584,547.42x = 806,659.10 × 329,922.30
  4. Step 4: Simplify right side
    584,547.42x = 266,134,825,587.93
  5. Step 5: Solve for x
    x = 266,134,825,587.93/584,547.42
  6. Step 6: Final answer
    x = 455,283.55

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Double scale
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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.