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Finding the Fourth Proportional to 520,097.20, 730,235.60 and 520,097.20

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Solution

The fourth proportional to 520,097.20, 730,235.60 and 520,097.20 is: 730,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,097.20 : 730,235.60 = 520,097.20 : x
  2. Step 2: Convert to fraction form
    520,097.20/730,235.60 = 520,097.20/x
  3. Step 3: Cross multiply
    520,097.20x = 730,235.60 × 520,097.20
  4. Step 4: Simplify right side
    520,097.20x = 379,793,490,900.32
  5. Step 5: Solve for x
    x = 379,793,490,900.32/520,097.20
  6. Step 6: Final answer
    x = 730,235.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.