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Finding the Fourth Proportional to 615,688.02, 923,670.54 and 216,356.40

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Solution

The fourth proportional to 615,688.02, 923,670.54 and 216,356.40 is: 324,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,688.02 : 923,670.54 = 216,356.40 : x
  2. Step 2: Convert to fraction form
    615,688.02/923,670.54 = 216,356.40/x
  3. Step 3: Cross multiply
    615,688.02x = 923,670.54 × 216,356.40
  4. Step 4: Simplify right side
    615,688.02x = 199,842,032,820.46
  5. Step 5: Solve for x
    x = 199,842,032,820.46/615,688.02
  6. Step 6: Final answer
    x = 324,583.27

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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.