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Finding the Fourth Proportional to 446,673,031.80, 670,009,547.70 and 343,360,901.40

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Solution

The fourth proportional to 446,673,031.80, 670,009,547.70 and 343,360,901.40 is: 515,041,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,673,031.80 : 670,009,547.70 = 343,360,901.40 : x
  2. Step 2: Convert to fraction form
    446,673,031.80/670,009,547.70 = 343,360,901.40/x
  3. Step 3: Cross multiply
    446,673,031.80x = 670,009,547.70 × 343,360,901.40
  4. Step 4: Simplify right side
    446,673,031.80x = 230,055,082,244,878,304
  5. Step 5: Solve for x
    x = 230,055,082,244,878,304/446,673,031.80
  6. Step 6: Final answer
    x = 515,041,352.10

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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.