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Finding the Fourth Proportional to 4,939,709.04, 7,409,482.92 and 1,573,870.32

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Solution

The fourth proportional to 4,939,709.04, 7,409,482.92 and 1,573,870.32 is: 2,360,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,709.04 : 7,409,482.92 = 1,573,870.32 : x
  2. Step 2: Convert to fraction form
    4,939,709.04/7,409,482.92 = 1,573,870.32/x
  3. Step 3: Cross multiply
    4,939,709.04x = 7,409,482.92 × 1,573,870.32
  4. Step 4: Simplify right side
    4,939,709.04x = 11,661,565,254,334.94
  5. Step 5: Solve for x
    x = 11,661,565,254,334.94/4,939,709.04
  6. Step 6: Final answer
    x = 2,360,779.79

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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.