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Finding the Fourth Proportional to 533,630.16, 736,428.60 and 291,898.32

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Solution

The fourth proportional to 533,630.16, 736,428.60 and 291,898.32 is: 402,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,630.16 : 736,428.60 = 291,898.32 : x
  2. Step 2: Convert to fraction form
    533,630.16/736,428.60 = 291,898.32/x
  3. Step 3: Cross multiply
    533,630.16x = 736,428.60 × 291,898.32
  4. Step 4: Simplify right side
    533,630.16x = 214,962,271,139.95
  5. Step 5: Solve for x
    x = 214,962,271,139.95/533,630.16
  6. Step 6: Final answer
    x = 402,830.06

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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.