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Finding the Fourth Proportional to 1,593,681, 2,390,989.68 and 471,779.16

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Solution

The fourth proportional to 1,593,681, 2,390,989.68 and 471,779.16 is: 707,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,681 : 2,390,989.68 = 471,779.16 : x
  2. Step 2: Convert to fraction form
    1,593,681/2,390,989.68 = 471,779.16/x
  3. Step 3: Cross multiply
    1,593,681x = 2,390,989.68 × 471,779.16
  4. Step 4: Simplify right side
    1,593,681x = 1,128,019,102,799.07
  5. Step 5: Solve for x
    x = 1,128,019,102,799.07/1,593,681
  6. Step 6: Final answer
    x = 707,807.34

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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.