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Finding the Fourth Proportional to 602,051.70, 904,114.35 and 425,795.70

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Solution

The fourth proportional to 602,051.70, 904,114.35 and 425,795.70 is: 639,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,051.70 : 904,114.35 = 425,795.70 : x
  2. Step 2: Convert to fraction form
    602,051.70/904,114.35 = 425,795.70/x
  3. Step 3: Cross multiply
    602,051.70x = 904,114.35 × 425,795.70
  4. Step 4: Simplify right side
    602,051.70x = 384,968,002,538.30
  5. Step 5: Solve for x
    x = 384,968,002,538.30/602,051.70
  6. Step 6: Final answer
    x = 639,426.82

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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.