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Finding the Fourth Proportional to 362,707.40, 544,061.10 and 256,953.80

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Solution

The fourth proportional to 362,707.40, 544,061.10 and 256,953.80 is: 385,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,707.40 : 544,061.10 = 256,953.80 : x
  2. Step 2: Convert to fraction form
    362,707.40/544,061.10 = 256,953.80/x
  3. Step 3: Cross multiply
    362,707.40x = 544,061.10 × 256,953.80
  4. Step 4: Simplify right side
    362,707.40x = 139,798,567,077.18
  5. Step 5: Solve for x
    x = 139,798,567,077.18/362,707.40
  6. Step 6: Final answer
    x = 385,430.70

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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.