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Finding the Fourth Proportional to 903,356.69, 1,354,605.80 and 524,393.60

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Solution

The fourth proportional to 903,356.69, 1,354,605.80 and 524,393.60 is: 786,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,356.69 : 1,354,605.80 = 524,393.60 : x
  2. Step 2: Convert to fraction form
    903,356.69/1,354,605.80 = 524,393.60/x
  3. Step 3: Cross multiply
    903,356.69x = 1,354,605.80 × 524,393.60
  4. Step 4: Simplify right side
    903,356.69x = 710,346,602,647.88
  5. Step 5: Solve for x
    x = 710,346,602,647.88/903,356.69
  6. Step 6: Final answer
    x = 786,341.23

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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.