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Finding the Fourth Proportional to 884,483.12, 1,326,710.10 and 253,382.96

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Solution

The fourth proportional to 884,483.12, 1,326,710.10 and 253,382.96 is: 380,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,483.12 : 1,326,710.10 = 253,382.96 : x
  2. Step 2: Convert to fraction form
    884,483.12/1,326,710.10 = 253,382.96/x
  3. Step 3: Cross multiply
    884,483.12x = 1,326,710.10 × 253,382.96
  4. Step 4: Simplify right side
    884,483.12x = 336,165,732,199.90
  5. Step 5: Solve for x
    x = 336,165,732,199.90/884,483.12
  6. Step 6: Final answer
    x = 380,070.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.