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Finding the Fourth Proportional to 609,784.31, 910,326.16 and 569,261.84

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Solution

The fourth proportional to 609,784.31, 910,326.16 and 569,261.84 is: 849,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,784.31 : 910,326.16 = 569,261.84 : x
  2. Step 2: Convert to fraction form
    609,784.31/910,326.16 = 569,261.84/x
  3. Step 3: Cross multiply
    609,784.31x = 910,326.16 × 569,261.84
  4. Step 4: Simplify right side
    609,784.31x = 518,213,944,841.73
  5. Step 5: Solve for x
    x = 518,213,944,841.73/609,784.31
  6. Step 6: Final answer
    x = 849,831.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.