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Finding the Fourth Proportional to 559,187.04, 771,699.96 and 317,492.10

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Solution

The fourth proportional to 559,187.04, 771,699.96 and 317,492.10 is: 438,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,187.04 : 771,699.96 = 317,492.10 : x
  2. Step 2: Convert to fraction form
    559,187.04/771,699.96 = 317,492.10/x
  3. Step 3: Cross multiply
    559,187.04x = 771,699.96 × 317,492.10
  4. Step 4: Simplify right side
    559,187.04x = 245,008,640,870.32
  5. Step 5: Solve for x
    x = 245,008,640,870.32/559,187.04
  6. Step 6: Final answer
    x = 438,151.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.