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Finding the Fourth Proportional to 607,588.80, 910,945.80 and 341,430.90

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Solution

The fourth proportional to 607,588.80, 910,945.80 and 341,430.90 is: 511,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,588.80 : 910,945.80 = 341,430.90 : x
  2. Step 2: Convert to fraction form
    607,588.80/910,945.80 = 341,430.90/x
  3. Step 3: Cross multiply
    607,588.80x = 910,945.80 × 341,430.90
  4. Step 4: Simplify right side
    607,588.80x = 311,025,044,345.22
  5. Step 5: Solve for x
    x = 311,025,044,345.22/607,588.80
  6. Step 6: Final answer
    x = 511,900.56

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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.