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Finding the Fourth Proportional to 838,368, 1,156,945.92 and 456,397.44

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Solution

The fourth proportional to 838,368, 1,156,945.92 and 456,397.44 is: 629,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,368 : 1,156,945.92 = 456,397.44 : x
  2. Step 2: Convert to fraction form
    838,368/1,156,945.92 = 456,397.44/x
  3. Step 3: Cross multiply
    838,368x = 1,156,945.92 × 456,397.44
  4. Step 4: Simplify right side
    838,368x = 528,027,156,106.45
  5. Step 5: Solve for x
    x = 528,027,156,106.45/838,368
  6. Step 6: Final answer
    x = 629,827.42

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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.