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Finding the Fourth Proportional to 978,966.07, 1,468,527.59 and 372,045.14

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Solution

The fourth proportional to 978,966.07, 1,468,527.59 and 372,045.14 is: 558,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,966.07 : 1,468,527.59 = 372,045.14 : x
  2. Step 2: Convert to fraction form
    978,966.07/1,468,527.59 = 372,045.14/x
  3. Step 3: Cross multiply
    978,966.07x = 1,468,527.59 × 372,045.14
  4. Step 4: Simplify right side
    978,966.07x = 546,358,551,909.87
  5. Step 5: Solve for x
    x = 546,358,551,909.87/978,966.07
  6. Step 6: Final answer
    x = 558,097.54

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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.