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Finding the Fourth Proportional to 962,916.13, 1,328,808 and 533,187.01

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Solution

The fourth proportional to 962,916.13, 1,328,808 and 533,187.01 is: 735,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,916.13 : 1,328,808 = 533,187.01 : x
  2. Step 2: Convert to fraction form
    962,916.13/1,328,808 = 533,187.01/x
  3. Step 3: Cross multiply
    962,916.13x = 1,328,808 × 533,187.01
  4. Step 4: Simplify right side
    962,916.13x = 708,503,164,384.08
  5. Step 5: Solve for x
    x = 708,503,164,384.08/962,916.13
  6. Step 6: Final answer
    x = 735,789.07

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.