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Finding the Fourth Proportional to 650,740.40, 976,110.60 and 572,008.40

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Solution

The fourth proportional to 650,740.40, 976,110.60 and 572,008.40 is: 858,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,740.40 : 976,110.60 = 572,008.40 : x
  2. Step 2: Convert to fraction form
    650,740.40/976,110.60 = 572,008.40/x
  3. Step 3: Cross multiply
    650,740.40x = 976,110.60 × 572,008.40
  4. Step 4: Simplify right side
    650,740.40x = 558,343,462,529.04
  5. Step 5: Solve for x
    x = 558,343,462,529.04/650,740.40
  6. Step 6: Final answer
    x = 858,012.60

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1.5x scale

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.