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Finding the Fourth Proportional to 5,346,798.80, 8,021,364.60 and 1,559,973.20

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Solution

The fourth proportional to 5,346,798.80, 8,021,364.60 and 1,559,973.20 is: 2,340,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,798.80 : 8,021,364.60 = 1,559,973.20 : x
  2. Step 2: Convert to fraction form
    5,346,798.80/8,021,364.60 = 1,559,973.20/x
  3. Step 3: Cross multiply
    5,346,798.80x = 8,021,364.60 × 1,559,973.20
  4. Step 4: Simplify right side
    5,346,798.80x = 12,513,113,803,428.72
  5. Step 5: Solve for x
    x = 12,513,113,803,428.72/5,346,798.80
  6. Step 6: Final answer
    x = 2,340,300.11

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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.