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Finding the Fourth Proportional to 977,487.60, 1,466,490.60 and 346,335.60

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Solution

The fourth proportional to 977,487.60, 1,466,490.60 and 346,335.60 is: 519,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,487.60 : 1,466,490.60 = 346,335.60 : x
  2. Step 2: Convert to fraction form
    977,487.60/1,466,490.60 = 346,335.60/x
  3. Step 3: Cross multiply
    977,487.60x = 1,466,490.60 × 346,335.60
  4. Step 4: Simplify right side
    977,487.60x = 507,897,901,845.36
  5. Step 5: Solve for x
    x = 507,897,901,845.36/977,487.60
  6. Step 6: Final answer
    x = 519,595.24

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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.