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Finding the Fourth Proportional to 706,240.03, 974,590.95 and 400,344.70

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Solution

The fourth proportional to 706,240.03, 974,590.95 and 400,344.70 is: 552,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,240.03 : 974,590.95 = 400,344.70 : x
  2. Step 2: Convert to fraction form
    706,240.03/974,590.95 = 400,344.70/x
  3. Step 3: Cross multiply
    706,240.03x = 974,590.95 × 400,344.70
  4. Step 4: Simplify right side
    706,240.03x = 390,172,321,500.47
  5. Step 5: Solve for x
    x = 390,172,321,500.47/706,240.03
  6. Step 6: Final answer
    x = 552,464.18

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1.5x scale

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.