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Finding the Fourth Proportional to 703,064.39, 970,224.04 and 380,767.12

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Solution

The fourth proportional to 703,064.39, 970,224.04 and 380,767.12 is: 525,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,064.39 : 970,224.04 = 380,767.12 : x
  2. Step 2: Convert to fraction form
    703,064.39/970,224.04 = 380,767.12/x
  3. Step 3: Cross multiply
    703,064.39x = 970,224.04 × 380,767.12
  4. Step 4: Simplify right side
    703,064.39x = 369,429,406,710.61
  5. Step 5: Solve for x
    x = 369,429,406,710.61/703,064.39
  6. Step 6: Final answer
    x = 525,456.01

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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.