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Finding the Fourth Proportional to 604,398,666.60, 906,597,999.90 and 167,698,506.60

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Solution

The fourth proportional to 604,398,666.60, 906,597,999.90 and 167,698,506.60 is: 251,547,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,398,666.60 : 906,597,999.90 = 167,698,506.60 : x
  2. Step 2: Convert to fraction form
    604,398,666.60/906,597,999.90 = 167,698,506.60/x
  3. Step 3: Cross multiply
    604,398,666.60x = 906,597,999.90 × 167,698,506.60
  4. Step 4: Simplify right side
    604,398,666.60x = 152,035,130,669,776,928
  5. Step 5: Solve for x
    x = 152,035,130,669,776,928/604,398,666.60
  6. Step 6: Final answer
    x = 251,547,759.90

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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.