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Finding the Fourth Proportional to 450,169,323.04, 621,220,319.04 and 249,235,149.68

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Solution

The fourth proportional to 450,169,323.04, 621,220,319.04 and 249,235,149.68 is: 343,937,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,169,323.04 : 621,220,319.04 = 249,235,149.68 : x
  2. Step 2: Convert to fraction form
    450,169,323.04/621,220,319.04 = 249,235,149.68/x
  3. Step 3: Cross multiply
    450,169,323.04x = 621,220,319.04 × 249,235,149.68
  4. Step 4: Simplify right side
    450,169,323.04x = 154,829,939,200,191,744
  5. Step 5: Solve for x
    x = 154,829,939,200,191,744/450,169,323.04
  6. Step 6: Final answer
    x = 343,937,117.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.