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Finding the Fourth Proportional to 647,295.60, 893,283.48 and 360,808.32

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Solution

The fourth proportional to 647,295.60, 893,283.48 and 360,808.32 is: 497,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,295.60 : 893,283.48 = 360,808.32 : x
  2. Step 2: Convert to fraction form
    647,295.60/893,283.48 = 360,808.32/x
  3. Step 3: Cross multiply
    647,295.60x = 893,283.48 × 360,808.32
  4. Step 4: Simplify right side
    647,295.60x = 322,304,111,702.55
  5. Step 5: Solve for x
    x = 322,304,111,702.55/647,295.60
  6. Step 6: Final answer
    x = 497,924.15

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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.