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Finding the Fourth Proportional to 963,585.10, 1,329,758.13 and 533,872

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Solution

The fourth proportional to 963,585.10, 1,329,758.13 and 533,872 is: 736,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,585.10 : 1,329,758.13 = 533,872 : x
  2. Step 2: Convert to fraction form
    963,585.10/1,329,758.13 = 533,872/x
  3. Step 3: Cross multiply
    963,585.10x = 1,329,758.13 × 533,872
  4. Step 4: Simplify right side
    963,585.10x = 709,920,632,379.36
  5. Step 5: Solve for x
    x = 709,920,632,379.36/963,585.10
  6. Step 6: Final answer
    x = 736,749.28

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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.