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Finding the Fourth Proportional to 615,492.14, 849,520.85 and 360,925.34

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Solution

The fourth proportional to 615,492.14, 849,520.85 and 360,925.34 is: 498,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,492.14 : 849,520.85 = 360,925.34 : x
  2. Step 2: Convert to fraction form
    615,492.14/849,520.85 = 360,925.34/x
  3. Step 3: Cross multiply
    615,492.14x = 849,520.85 × 360,925.34
  4. Step 4: Simplify right side
    615,492.14x = 306,613,595,571.11
  5. Step 5: Solve for x
    x = 306,613,595,571.11/615,492.14
  6. Step 6: Final answer
    x = 498,160.05

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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.