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Finding the Fourth Proportional to 598,577.80, 897,866.70 and 155,345.80

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Solution

The fourth proportional to 598,577.80, 897,866.70 and 155,345.80 is: 233,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,577.80 : 897,866.70 = 155,345.80 : x
  2. Step 2: Convert to fraction form
    598,577.80/897,866.70 = 155,345.80/x
  3. Step 3: Cross multiply
    598,577.80x = 897,866.70 × 155,345.80
  4. Step 4: Simplify right side
    598,577.80x = 139,479,820,804.86
  5. Step 5: Solve for x
    x = 139,479,820,804.86/598,577.80
  6. Step 6: Final answer
    x = 233,018.70

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Double scale
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Similar ratio
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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.