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Finding the Fourth Proportional to 963,669.88, 1,329,844.80 and 533,948.68

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Solution

The fourth proportional to 963,669.88, 1,329,844.80 and 533,948.68 is: 736,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,669.88 : 1,329,844.80 = 533,948.68 : x
  2. Step 2: Convert to fraction form
    963,669.88/1,329,844.80 = 533,948.68/x
  3. Step 3: Cross multiply
    963,669.88x = 1,329,844.80 × 533,948.68
  4. Step 4: Simplify right side
    963,669.88x = 710,068,875,564.86
  5. Step 5: Solve for x
    x = 710,068,875,564.86/963,669.88
  6. Step 6: Final answer
    x = 736,838.30

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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.