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Finding the Fourth Proportional to 301,806,800.40, 452,710,200.60 and 107,724,547.20

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Solution

The fourth proportional to 301,806,800.40, 452,710,200.60 and 107,724,547.20 is: 161,586,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,806,800.40 : 452,710,200.60 = 107,724,547.20 : x
  2. Step 2: Convert to fraction form
    301,806,800.40/452,710,200.60 = 107,724,547.20/x
  3. Step 3: Cross multiply
    301,806,800.40x = 452,710,200.60 × 107,724,547.20
  4. Step 4: Simplify right side
    301,806,800.40x = 48,768,001,372,456,176
  5. Step 5: Solve for x
    x = 48,768,001,372,456,176/301,806,800.40
  6. Step 6: Final answer
    x = 161,586,820.80

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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.