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Finding the Fourth Proportional to 612,117.60, 844,702.04 and 336,476.36

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Solution

The fourth proportional to 612,117.60, 844,702.04 and 336,476.36 is: 464,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117.60 : 844,702.04 = 336,476.36 : x
  2. Step 2: Convert to fraction form
    612,117.60/844,702.04 = 336,476.36/x
  3. Step 3: Cross multiply
    612,117.60x = 844,702.04 × 336,476.36
  4. Step 4: Simplify right side
    612,117.60x = 284,222,267,703.77
  5. Step 5: Solve for x
    x = 284,222,267,703.77/612,117.60
  6. Step 6: Final answer
    x = 464,326.25

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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.