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Finding the Fourth Proportional to 615,033.64, 922,894.94 and 260,313.18

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Solution

The fourth proportional to 615,033.64, 922,894.94 and 260,313.18 is: 390,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,033.64 : 922,894.94 = 260,313.18 : x
  2. Step 2: Convert to fraction form
    615,033.64/922,894.94 = 260,313.18/x
  3. Step 3: Cross multiply
    615,033.64x = 922,894.94 × 260,313.18
  4. Step 4: Simplify right side
    615,033.64x = 240,241,716,637.31
  5. Step 5: Solve for x
    x = 240,241,716,637.31/615,033.64
  6. Step 6: Final answer
    x = 390,615.57

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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.