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Finding the Fourth Proportional to 655,528,089.60, 983,292,134.40 and 584,102,419.20

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Solution

The fourth proportional to 655,528,089.60, 983,292,134.40 and 584,102,419.20 is: 876,153,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,528,089.60 : 983,292,134.40 = 584,102,419.20 : x
  2. Step 2: Convert to fraction form
    655,528,089.60/983,292,134.40 = 584,102,419.20/x
  3. Step 3: Cross multiply
    655,528,089.60x = 983,292,134.40 × 584,102,419.20
  4. Step 4: Simplify right side
    655,528,089.60x = 574,343,314,483,371,584
  5. Step 5: Solve for x
    x = 574,343,314,483,371,584/655,528,089.60
  6. Step 6: Final answer
    x = 876,153,628.80

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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.