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Finding the Fourth Proportional to 506,335.40, 758,838.70 and 372,589.40

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Solution

The fourth proportional to 506,335.40, 758,838.70 and 372,589.40 is: 558,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,335.40 : 758,838.70 = 372,589.40 : x
  2. Step 2: Convert to fraction form
    506,335.40/758,838.70 = 372,589.40/x
  3. Step 3: Cross multiply
    506,335.40x = 758,838.70 × 372,589.40
  4. Step 4: Simplify right side
    506,335.40x = 282,735,255,929.78
  5. Step 5: Solve for x
    x = 282,735,255,929.78/506,335.40
  6. Step 6: Final answer
    x = 558,395.20

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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.