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Finding the Fourth Proportional to 561,328.52, 774,413.46 and 346,094.91

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Solution

The fourth proportional to 561,328.52, 774,413.46 and 346,094.91 is: 477,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,328.52 : 774,413.46 = 346,094.91 : x
  2. Step 2: Convert to fraction form
    561,328.52/774,413.46 = 346,094.91/x
  3. Step 3: Cross multiply
    561,328.52x = 774,413.46 × 346,094.91
  4. Step 4: Simplify right side
    561,328.52x = 268,020,556,741.49
  5. Step 5: Solve for x
    x = 268,020,556,741.49/561,328.52
  6. Step 6: Final answer
    x = 477,475.40

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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.