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Finding the Fourth Proportional to 731,523.60, 1,097,139.60 and 352,443.60

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Solution

The fourth proportional to 731,523.60, 1,097,139.60 and 352,443.60 is: 528,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,523.60 : 1,097,139.60 = 352,443.60 : x
  2. Step 2: Convert to fraction form
    731,523.60/1,097,139.60 = 352,443.60/x
  3. Step 3: Cross multiply
    731,523.60x = 1,097,139.60 × 352,443.60
  4. Step 4: Simplify right side
    731,523.60x = 386,679,830,326.56
  5. Step 5: Solve for x
    x = 386,679,830,326.56/731,523.60
  6. Step 6: Final answer
    x = 528,595.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.