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Finding the Fourth Proportional to 805,482.96, 1,111,595 and 442,934.32

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Solution

The fourth proportional to 805,482.96, 1,111,595 and 442,934.32 is: 611,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,482.96 : 1,111,595 = 442,934.32 : x
  2. Step 2: Convert to fraction form
    805,482.96/1,111,595 = 442,934.32/x
  3. Step 3: Cross multiply
    805,482.96x = 1,111,595 × 442,934.32
  4. Step 4: Simplify right side
    805,482.96x = 492,363,575,440.40
  5. Step 5: Solve for x
    x = 492,363,575,440.40/805,482.96
  6. Step 6: Final answer
    x = 611,265.04

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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.