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Finding the Fourth Proportional to 962,798.64, 1,328,703.66 and 533,078.76

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Solution

The fourth proportional to 962,798.64, 1,328,703.66 and 533,078.76 is: 735,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,798.64 : 1,328,703.66 = 533,078.76 : x
  2. Step 2: Convert to fraction form
    962,798.64/1,328,703.66 = 533,078.76/x
  3. Step 3: Cross multiply
    962,798.64x = 1,328,703.66 × 533,078.76
  4. Step 4: Simplify right side
    962,798.64x = 708,303,699,480.26
  5. Step 5: Solve for x
    x = 708,303,699,480.26/962,798.64
  6. Step 6: Final answer
    x = 735,671.69

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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.