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Finding the Fourth Proportional to 577,720,368.60, 866,692,527.30 and 290,506,032.60

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Solution

The fourth proportional to 577,720,368.60, 866,692,527.30 and 290,506,032.60 is: 435,815,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,720,368.60 : 866,692,527.30 = 290,506,032.60 : x
  2. Step 2: Convert to fraction form
    577,720,368.60/866,692,527.30 = 290,506,032.60/x
  3. Step 3: Cross multiply
    577,720,368.60x = 866,692,527.30 × 290,506,032.60
  4. Step 4: Simplify right side
    577,720,368.60x = 251,779,407,589,990,208
  5. Step 5: Solve for x
    x = 251,779,407,589,990,208/577,720,368.60
  6. Step 6: Final answer
    x = 435,815,355.10

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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.