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Finding the Fourth Proportional to 702,816.64, 970,330.08 and 541,368.16

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Solution

The fourth proportional to 702,816.64, 970,330.08 and 541,368.16 is: 747,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,816.64 : 970,330.08 = 541,368.16 : x
  2. Step 2: Convert to fraction form
    702,816.64/970,330.08 = 541,368.16/x
  3. Step 3: Cross multiply
    702,816.64x = 970,330.08 × 541,368.16
  4. Step 4: Simplify right side
    702,816.64x = 525,305,810,002.25
  5. Step 5: Solve for x
    x = 525,305,810,002.25/702,816.64
  6. Step 6: Final answer
    x = 747,429.39

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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.