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Finding the Fourth Proportional to 864,959.60, 1,193,646.84 and 483,000.32

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Solution

The fourth proportional to 864,959.60, 1,193,646.84 and 483,000.32 is: 666,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,959.60 : 1,193,646.84 = 483,000.32 : x
  2. Step 2: Convert to fraction form
    864,959.60/1,193,646.84 = 483,000.32/x
  3. Step 3: Cross multiply
    864,959.60x = 1,193,646.84 × 483,000.32
  4. Step 4: Simplify right side
    864,959.60x = 576,531,805,686.99
  5. Step 5: Solve for x
    x = 576,531,805,686.99/864,959.60
  6. Step 6: Final answer
    x = 666,541.89

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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.