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Finding the Fourth Proportional to 866,308, 1,195,444.32 and 503,706.12

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Solution

The fourth proportional to 866,308, 1,195,444.32 and 503,706.12 is: 695,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,308 : 1,195,444.32 = 503,706.12 : x
  2. Step 2: Convert to fraction form
    866,308/1,195,444.32 = 503,706.12/x
  3. Step 3: Cross multiply
    866,308x = 1,195,444.32 × 503,706.12
  4. Step 4: Simplify right side
    866,308x = 602,152,620,103.24
  5. Step 5: Solve for x
    x = 602,152,620,103.24/866,308
  6. Step 6: Final answer
    x = 695,079.14

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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.