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Finding the Fourth Proportional to 872,875.60, 1,306,548.60 and 624,043.60

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Solution

The fourth proportional to 872,875.60, 1,306,548.60 and 624,043.60 is: 934,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,875.60 : 1,306,548.60 = 624,043.60 : x
  2. Step 2: Convert to fraction form
    872,875.60/1,306,548.60 = 624,043.60/x
  3. Step 3: Cross multiply
    872,875.60x = 1,306,548.60 × 624,043.60
  4. Step 4: Simplify right side
    872,875.60x = 815,343,291,918.96
  5. Step 5: Solve for x
    x = 815,343,291,918.96/872,875.60
  6. Step 6: Final answer
    x = 934,088.77

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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.