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Finding the Fourth Proportional to 706,430.03, 974,843.78 and 400,527.00

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Solution

The fourth proportional to 706,430.03, 974,843.78 and 400,527.00 is: 552,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,430.03 : 974,843.78 = 400,527.00 : x
  2. Step 2: Convert to fraction form
    706,430.03/974,843.78 = 400,527.00/x
  3. Step 3: Cross multiply
    706,430.03x = 974,843.78 × 400,527.00
  4. Step 4: Simplify right side
    706,430.03x = 390,451,249,797.84
  5. Step 5: Solve for x
    x = 390,451,249,797.84/706,430.03
  6. Step 6: Final answer
    x = 552,710.44

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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.