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Finding the Fourth Proportional to 404,688.30, 607,032.45 and 404,688.30

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Solution

The fourth proportional to 404,688.30, 607,032.45 and 404,688.30 is: 607,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,688.30 : 607,032.45 = 404,688.30 : x
  2. Step 2: Convert to fraction form
    404,688.30/607,032.45 = 404,688.30/x
  3. Step 3: Cross multiply
    404,688.30x = 607,032.45 × 404,688.30
  4. Step 4: Simplify right side
    404,688.30x = 245,658,930,235.34
  5. Step 5: Solve for x
    x = 245,658,930,235.34/404,688.30
  6. Step 6: Final answer
    x = 607,032.45

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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.