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Finding the Fourth Proportional to 604,298.58, 904,698.15 and 455,167.05

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Solution

The fourth proportional to 604,298.58, 904,698.15 and 455,167.05 is: 681,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,298.58 : 904,698.15 = 455,167.05 : x
  2. Step 2: Convert to fraction form
    604,298.58/904,698.15 = 455,167.05/x
  3. Step 3: Cross multiply
    604,298.58x = 904,698.15 × 455,167.05
  4. Step 4: Simplify right side
    604,298.58x = 411,788,788,075.96
  5. Step 5: Solve for x
    x = 411,788,788,075.96/604,298.58
  6. Step 6: Final answer
    x = 681,432.66

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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.