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Finding the Fourth Proportional to 714,188.01, 986,041.15 and 442,544.17

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Solution

The fourth proportional to 714,188.01, 986,041.15 and 442,544.17 is: 610,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,188.01 : 986,041.15 = 442,544.17 : x
  2. Step 2: Convert to fraction form
    714,188.01/986,041.15 = 442,544.17/x
  3. Step 3: Cross multiply
    714,188.01x = 986,041.15 × 442,544.17
  4. Step 4: Simplify right side
    714,188.01x = 436,366,762,312.60
  5. Step 5: Solve for x
    x = 436,366,762,312.60/714,188.01
  6. Step 6: Final answer
    x = 610,997.04

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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.