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Finding the Fourth Proportional to 661,932.63, 992,898.93 and 462,642.24

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Solution

The fourth proportional to 661,932.63, 992,898.93 and 462,642.24 is: 693,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,932.63 : 992,898.93 = 462,642.24 : x
  2. Step 2: Convert to fraction form
    661,932.63/992,898.93 = 462,642.24/x
  3. Step 3: Cross multiply
    661,932.63x = 992,898.93 × 462,642.24
  4. Step 4: Simplify right side
    661,932.63x = 459,356,985,068.80
  5. Step 5: Solve for x
    x = 459,356,985,068.80/661,932.63
  6. Step 6: Final answer
    x = 693,963.35

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Double scale
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Similar ratio
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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.