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Finding the Fourth Proportional to 696,126.69, 960,596.15 and 386,038.17

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Solution

The fourth proportional to 696,126.69, 960,596.15 and 386,038.17 is: 532,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,126.69 : 960,596.15 = 386,038.17 : x
  2. Step 2: Convert to fraction form
    696,126.69/960,596.15 = 386,038.17/x
  3. Step 3: Cross multiply
    696,126.69x = 960,596.15 × 386,038.17
  4. Step 4: Simplify right side
    696,126.69x = 370,826,777,924.86
  5. Step 5: Solve for x
    x = 370,826,777,924.86/696,126.69
  6. Step 6: Final answer
    x = 532,700.13

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Double scale
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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.