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Finding the Fourth Proportional to 571,037.60, 788,416.80 and 510,413.96

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Solution

The fourth proportional to 571,037.60, 788,416.80 and 510,413.96 is: 704,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,037.60 : 788,416.80 = 510,413.96 : x
  2. Step 2: Convert to fraction form
    571,037.60/788,416.80 = 510,413.96/x
  3. Step 3: Cross multiply
    571,037.60x = 788,416.80 × 510,413.96
  4. Step 4: Simplify right side
    571,037.60x = 402,418,941,018.53
  5. Step 5: Solve for x
    x = 402,418,941,018.53/571,037.60
  6. Step 6: Final answer
    x = 704,715.31

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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.