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Finding the Fourth Proportional to 475,413.32, 656,075.58 and 260,548.76

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Solution

The fourth proportional to 475,413.32, 656,075.58 and 260,548.76 is: 359,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,413.32 : 656,075.58 = 260,548.76 : x
  2. Step 2: Convert to fraction form
    475,413.32/656,075.58 = 260,548.76/x
  3. Step 3: Cross multiply
    475,413.32x = 656,075.58 × 260,548.76
  4. Step 4: Simplify right side
    475,413.32x = 170,939,678,835.28
  5. Step 5: Solve for x
    x = 170,939,678,835.28/475,413.32
  6. Step 6: Final answer
    x = 359,560.14

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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.