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Finding the Fourth Proportional to 714,841.34, 986,702.45 and 460,192.50

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Solution

The fourth proportional to 714,841.34, 986,702.45 and 460,192.50 is: 635,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,841.34 : 986,702.45 = 460,192.50 : x
  2. Step 2: Convert to fraction form
    714,841.34/986,702.45 = 460,192.50/x
  3. Step 3: Cross multiply
    714,841.34x = 986,702.45 × 460,192.50
  4. Step 4: Simplify right side
    714,841.34x = 454,073,064,920.66
  5. Step 5: Solve for x
    x = 454,073,064,920.66/714,841.34
  6. Step 6: Final answer
    x = 635,208.18

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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.