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Finding the Fourth Proportional to 453,045.06, 678,088.53 and 333,070.35

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Solution

The fourth proportional to 453,045.06, 678,088.53 and 333,070.35 is: 498,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,045.06 : 678,088.53 = 333,070.35 : x
  2. Step 2: Convert to fraction form
    453,045.06/678,088.53 = 333,070.35/x
  3. Step 3: Cross multiply
    453,045.06x = 678,088.53 × 333,070.35
  4. Step 4: Simplify right side
    453,045.06x = 225,851,184,018.09
  5. Step 5: Solve for x
    x = 225,851,184,018.09/453,045.06
  6. Step 6: Final answer
    x = 498,518.15

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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.