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Finding the Fourth Proportional to 604,656,030.40, 906,984,045.60 and 196,005,457.60

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Solution

The fourth proportional to 604,656,030.40, 906,984,045.60 and 196,005,457.60 is: 294,008,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,656,030.40 : 906,984,045.60 = 196,005,457.60 : x
  2. Step 2: Convert to fraction form
    604,656,030.40/906,984,045.60 = 196,005,457.60/x
  3. Step 3: Cross multiply
    604,656,030.40x = 906,984,045.60 × 196,005,457.60
  4. Step 4: Simplify right side
    604,656,030.40x = 177,773,822,893,727,264
  5. Step 5: Solve for x
    x = 177,773,822,893,727,264/604,656,030.40
  6. Step 6: Final answer
    x = 294,008,186.40

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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.