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Finding the Fourth Proportional to 706,362.08, 974,758.98 and 400,466.66

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Solution

The fourth proportional to 706,362.08, 974,758.98 and 400,466.66 is: 552,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,362.08 : 974,758.98 = 400,466.66 : x
  2. Step 2: Convert to fraction form
    706,362.08/974,758.98 = 400,466.66/x
  3. Step 3: Cross multiply
    706,362.08x = 974,758.98 × 400,466.66
  4. Step 4: Simplify right side
    706,362.08x = 390,358,473,025.61
  5. Step 5: Solve for x
    x = 390,358,473,025.61/706,362.08
  6. Step 6: Final answer
    x = 552,632.26

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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.