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Finding the Fourth Proportional to 609,501.66, 841,114.71 and 355,027.74

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Solution

The fourth proportional to 609,501.66, 841,114.71 and 355,027.74 is: 489,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,501.66 : 841,114.71 = 355,027.74 : x
  2. Step 2: Convert to fraction form
    609,501.66/841,114.71 = 355,027.74/x
  3. Step 3: Cross multiply
    609,501.66x = 841,114.71 × 355,027.74
  4. Step 4: Simplify right side
    609,501.66x = 298,619,054,572.06
  5. Step 5: Solve for x
    x = 298,619,054,572.06/609,501.66
  6. Step 6: Final answer
    x = 489,939.69

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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.