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Finding the Fourth Proportional to 615,459.93, 923,097.55 and 194,681.13

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Solution

The fourth proportional to 615,459.93, 923,097.55 and 194,681.13 is: 291,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,459.93 : 923,097.55 = 194,681.13 : x
  2. Step 2: Convert to fraction form
    615,459.93/923,097.55 = 194,681.13/x
  3. Step 3: Cross multiply
    615,459.93x = 923,097.55 × 194,681.13
  4. Step 4: Simplify right side
    615,459.93x = 179,709,674,134.23
  5. Step 5: Solve for x
    x = 179,709,674,134.23/615,459.93
  6. Step 6: Final answer
    x = 291,992.48

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Similar ratio
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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.