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Finding the Fourth Proportional to 602,670.10, 904,005.15 and 153,390.10

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Solution

The fourth proportional to 602,670.10, 904,005.15 and 153,390.10 is: 230,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,670.10 : 904,005.15 = 153,390.10 : x
  2. Step 2: Convert to fraction form
    602,670.10/904,005.15 = 153,390.10/x
  3. Step 3: Cross multiply
    602,670.10x = 904,005.15 × 153,390.10
  4. Step 4: Simplify right side
    602,670.10x = 138,665,440,359.02
  5. Step 5: Solve for x
    x = 138,665,440,359.02/602,670.10
  6. Step 6: Final answer
    x = 230,085.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.