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Finding the Fourth Proportional to 652,088.90, 978,133.35 and 463,132.10

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Solution

The fourth proportional to 652,088.90, 978,133.35 and 463,132.10 is: 694,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,088.90 : 978,133.35 = 463,132.10 : x
  2. Step 2: Convert to fraction form
    652,088.90/978,133.35 = 463,132.10/x
  3. Step 3: Cross multiply
    652,088.90x = 978,133.35 × 463,132.10
  4. Step 4: Simplify right side
    652,088.90x = 453,004,952,465.54
  5. Step 5: Solve for x
    x = 453,004,952,465.54/652,088.90
  6. Step 6: Final answer
    x = 694,698.15

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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.