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Finding the Fourth Proportional to 655,525,117.20, 983,287,675.80 and 625,292,029.20

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Solution

The fourth proportional to 655,525,117.20, 983,287,675.80 and 625,292,029.20 is: 937,938,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,525,117.20 : 983,287,675.80 = 625,292,029.20 : x
  2. Step 2: Convert to fraction form
    655,525,117.20/983,287,675.80 = 625,292,029.20/x
  3. Step 3: Cross multiply
    655,525,117.20x = 983,287,675.80 × 625,292,029.20
  4. Step 4: Simplify right side
    655,525,117.20x = 614,841,946,088,333,696
  5. Step 5: Solve for x
    x = 614,841,946,088,333,696/655,525,117.20
  6. Step 6: Final answer
    x = 937,938,043.80

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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.