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Finding the Fourth Proportional to 895,685.68, 1,236,034.10 and 508,497.58

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Solution

The fourth proportional to 895,685.68, 1,236,034.10 and 508,497.58 is: 701,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,685.68 : 1,236,034.10 = 508,497.58 : x
  2. Step 2: Convert to fraction form
    895,685.68/1,236,034.10 = 508,497.58/x
  3. Step 3: Cross multiply
    895,685.68x = 1,236,034.10 × 508,497.58
  4. Step 4: Simplify right side
    895,685.68x = 628,520,348,647.48
  5. Step 5: Solve for x
    x = 628,520,348,647.48/895,685.68
  6. Step 6: Final answer
    x = 701,719.77

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Double scale
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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.