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Finding the Fourth Proportional to 963,363, 1,329,424.29 and 533,634.12

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Solution

The fourth proportional to 963,363, 1,329,424.29 and 533,634.12 is: 736,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,363 : 1,329,424.29 = 533,634.12 : x
  2. Step 2: Convert to fraction form
    963,363/1,329,424.29 = 533,634.12/x
  3. Step 3: Cross multiply
    963,363x = 1,329,424.29 × 533,634.12
  4. Step 4: Simplify right side
    963,363x = 709,426,161,100.78
  5. Step 5: Solve for x
    x = 709,426,161,100.78/963,363
  6. Step 6: Final answer
    x = 736,405.86

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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.