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Finding the Fourth Proportional to 1,913,032.02, 2,869,464.99 and 714,964.74

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Solution

The fourth proportional to 1,913,032.02, 2,869,464.99 and 714,964.74 is: 1,072,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,032.02 : 2,869,464.99 = 714,964.74 : x
  2. Step 2: Convert to fraction form
    1,913,032.02/2,869,464.99 = 714,964.74/x
  3. Step 3: Cross multiply
    1,913,032.02x = 2,869,464.99 × 714,964.74
  4. Step 4: Simplify right side
    1,913,032.02x = 2,051,566,290,514.45
  5. Step 5: Solve for x
    x = 2,051,566,290,514.45/1,913,032.02
  6. Step 6: Final answer
    x = 1,072,416.08

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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.