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Finding the Fourth Proportional to 934,646.64, 1,402,001.46 and 260,744.40

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Solution

The fourth proportional to 934,646.64, 1,402,001.46 and 260,744.40 is: 391,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,646.64 : 1,402,001.46 = 260,744.40 : x
  2. Step 2: Convert to fraction form
    934,646.64/1,402,001.46 = 260,744.40/x
  3. Step 3: Cross multiply
    934,646.64x = 1,402,001.46 × 260,744.40
  4. Step 4: Simplify right side
    934,646.64x = 365,564,029,486.82
  5. Step 5: Solve for x
    x = 365,564,029,486.82/934,646.64
  6. Step 6: Final answer
    x = 391,125.39

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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.