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Finding the Fourth Proportional to 650,088.45, 897,100.35 and 359,700.57

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Solution

The fourth proportional to 650,088.45, 897,100.35 and 359,700.57 is: 496,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,088.45 : 897,100.35 = 359,700.57 : x
  2. Step 2: Convert to fraction form
    650,088.45/897,100.35 = 359,700.57/x
  3. Step 3: Cross multiply
    650,088.45x = 897,100.35 × 359,700.57
  4. Step 4: Simplify right side
    650,088.45x = 322,687,507,242.20
  5. Step 5: Solve for x
    x = 322,687,507,242.20/650,088.45
  6. Step 6: Final answer
    x = 496,374.77

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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.