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Finding the Fourth Proportional to 528,877,276.20, 793,315,914.30 and 528,877,276.20

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Solution

The fourth proportional to 528,877,276.20, 793,315,914.30 and 528,877,276.20 is: 793,315,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,877,276.20 : 793,315,914.30 = 528,877,276.20 : x
  2. Step 2: Convert to fraction form
    528,877,276.20/793,315,914.30 = 528,877,276.20/x
  3. Step 3: Cross multiply
    528,877,276.20x = 793,315,914.30 × 528,877,276.20
  4. Step 4: Simplify right side
    528,877,276.20x = 419,566,759,921,096,576
  5. Step 5: Solve for x
    x = 419,566,759,921,096,576/528,877,276.20
  6. Step 6: Final answer
    x = 793,315,914.30

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Double scale
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1.5x scale

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.