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Finding the Fourth Proportional to 514,085.03, 710,413.29 and 386,539.19

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Solution

The fourth proportional to 514,085.03, 710,413.29 and 386,539.19 is: 534,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,085.03 : 710,413.29 = 386,539.19 : x
  2. Step 2: Convert to fraction form
    514,085.03/710,413.29 = 386,539.19/x
  3. Step 3: Cross multiply
    514,085.03x = 710,413.29 × 386,539.19
  4. Step 4: Simplify right side
    514,085.03x = 274,602,574,129.77
  5. Step 5: Solve for x
    x = 274,602,574,129.77/514,085.03
  6. Step 6: Final answer
    x = 534,157.89

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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.