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Finding the Fourth Proportional to 586,840.46, 880,587.70 and 316,963.16

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Solution

The fourth proportional to 586,840.46, 880,587.70 and 316,963.16 is: 475,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,840.46 : 880,587.70 = 316,963.16 : x
  2. Step 2: Convert to fraction form
    586,840.46/880,587.70 = 316,963.16/x
  3. Step 3: Cross multiply
    586,840.46x = 880,587.70 × 316,963.16
  4. Step 4: Simplify right side
    586,840.46x = 279,113,860,049.13
  5. Step 5: Solve for x
    x = 279,113,860,049.13/586,840.46
  6. Step 6: Final answer
    x = 475,621.36

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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.