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Finding the Fourth Proportional to 966,553.61, 1,333,807.09 and 536,861.30

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Solution

The fourth proportional to 966,553.61, 1,333,807.09 and 536,861.30 is: 740,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,553.61 : 1,333,807.09 = 536,861.30 : x
  2. Step 2: Convert to fraction form
    966,553.61/1,333,807.09 = 536,861.30/x
  3. Step 3: Cross multiply
    966,553.61x = 1,333,807.09 × 536,861.30
  4. Step 4: Simplify right side
    966,553.61x = 716,069,400,275.43
  5. Step 5: Solve for x
    x = 716,069,400,275.43/966,553.61
  6. Step 6: Final answer
    x = 740,848.10

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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.