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Finding the Fourth Proportional to 559,565.32, 772,199.54 and 304,916.44

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Solution

The fourth proportional to 559,565.32, 772,199.54 and 304,916.44 is: 420,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,565.32 : 772,199.54 = 304,916.44 : x
  2. Step 2: Convert to fraction form
    559,565.32/772,199.54 = 304,916.44/x
  3. Step 3: Cross multiply
    559,565.32x = 772,199.54 × 304,916.44
  4. Step 4: Simplify right side
    559,565.32x = 235,456,334,706.44
  5. Step 5: Solve for x
    x = 235,456,334,706.44/559,565.32
  6. Step 6: Final answer
    x = 420,784.36

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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.