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Finding the Fourth Proportional to 623,413.80, 934,775.10 and 249,013.80

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Solution

The fourth proportional to 623,413.80, 934,775.10 and 249,013.80 is: 373,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,413.80 : 934,775.10 = 249,013.80 : x
  2. Step 2: Convert to fraction form
    623,413.80/934,775.10 = 249,013.80/x
  3. Step 3: Cross multiply
    623,413.80x = 934,775.10 × 249,013.80
  4. Step 4: Simplify right side
    623,413.80x = 232,771,899,796.38
  5. Step 5: Solve for x
    x = 232,771,899,796.38/623,413.80
  6. Step 6: Final answer
    x = 373,382.65

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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.