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Finding the Fourth Proportional to 498,925.12, 748,413.60 and 249,522.88

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Solution

The fourth proportional to 498,925.12, 748,413.60 and 249,522.88 is: 374,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,925.12 : 748,413.60 = 249,522.88 : x
  2. Step 2: Convert to fraction form
    498,925.12/748,413.60 = 249,522.88/x
  3. Step 3: Cross multiply
    498,925.12x = 748,413.60 × 249,522.88
  4. Step 4: Simplify right side
    498,925.12x = 186,746,316,903.17
  5. Step 5: Solve for x
    x = 186,746,316,903.17/498,925.12
  6. Step 6: Final answer
    x = 374,297.28

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1.5x scale

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.