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Finding the Fourth Proportional to 440,144.42, 607,413.74 and 249,153.71

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Solution

The fourth proportional to 440,144.42, 607,413.74 and 249,153.71 is: 343,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,144.42 : 607,413.74 = 249,153.71 : x
  2. Step 2: Convert to fraction form
    440,144.42/607,413.74 = 249,153.71/x
  3. Step 3: Cross multiply
    440,144.42x = 607,413.74 × 249,153.71
  4. Step 4: Simplify right side
    440,144.42x = 151,339,382,543.14
  5. Step 5: Solve for x
    x = 151,339,382,543.14/440,144.42
  6. Step 6: Final answer
    x = 343,840.29

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1.5x scale

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.