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Finding the Fourth Proportional to 506,334.40, 758,837.20 and 372,588.40

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Solution

The fourth proportional to 506,334.40, 758,837.20 and 372,588.40 is: 558,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,334.40 : 758,837.20 = 372,588.40 : x
  2. Step 2: Convert to fraction form
    506,334.40/758,837.20 = 372,588.40/x
  3. Step 3: Cross multiply
    506,334.40x = 758,837.20 × 372,588.40
  4. Step 4: Simplify right side
    506,334.40x = 282,733,938,208.48
  5. Step 5: Solve for x
    x = 282,733,938,208.48/506,334.40
  6. Step 6: Final answer
    x = 558,393.70

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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.