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Finding the Fourth Proportional to 963,612.64, 1,329,768.16 and 533,884.16

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Solution

The fourth proportional to 963,612.64, 1,329,768.16 and 533,884.16 is: 736,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,612.64 : 1,329,768.16 = 533,884.16 : x
  2. Step 2: Convert to fraction form
    963,612.64/1,329,768.16 = 533,884.16/x
  3. Step 3: Cross multiply
    963,612.64x = 1,329,768.16 × 533,884.16
  4. Step 4: Simplify right side
    963,612.64x = 709,942,157,096.35
  5. Step 5: Solve for x
    x = 709,942,157,096.35/963,612.64
  6. Step 6: Final answer
    x = 736,750.57

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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.