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Finding the Fourth Proportional to 584,814.40, 875,666.40 and 373,307.20

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Solution

The fourth proportional to 584,814.40, 875,666.40 and 373,307.20 is: 558,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,814.40 : 875,666.40 = 373,307.20 : x
  2. Step 2: Convert to fraction form
    584,814.40/875,666.40 = 373,307.20/x
  3. Step 3: Cross multiply
    584,814.40x = 875,666.40 × 373,307.20
  4. Step 4: Simplify right side
    584,814.40x = 326,892,571,918.08
  5. Step 5: Solve for x
    x = 326,892,571,918.08/584,814.40
  6. Step 6: Final answer
    x = 558,968.06

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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.