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Finding the Fourth Proportional to 615,225.60, 922,838.40 and 547,574.40

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Solution

The fourth proportional to 615,225.60, 922,838.40 and 547,574.40 is: 821,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,225.60 : 922,838.40 = 547,574.40 : x
  2. Step 2: Convert to fraction form
    615,225.60/922,838.40 = 547,574.40/x
  3. Step 3: Cross multiply
    615,225.60x = 922,838.40 × 547,574.40
  4. Step 4: Simplify right side
    615,225.60x = 505,322,683,176.96
  5. Step 5: Solve for x
    x = 505,322,683,176.96/615,225.60
  6. Step 6: Final answer
    x = 821,361.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.